FluentCleaner 26.09.01 / 1.18 (Classic)

FluentCleaner update - less clutter, sharper behavior

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The last days were not about piling on features at any cost. I experimented with a built-in Mini mode for FluentCleaner Classic in v1.17, but ultimately pulled it before release to keep Classic small, predictable, and easy to maintain. The idea is not dead, though, it may return later as an external add-on or plugin if I decide to make FluentCleaner more extensible

Instead, FluentCleaner Classic (only) gained something that fits its lightweight nature much better: proper command-line automation. It can now analyze or clean the saved selection silently, target individual cleaner categories, and slot neatly into batch files, PowerShell scripts, or other automation workflows.

So Mini is out for now, but Classic has become considerably more scriptable without becoming more complicated. Less interface bolted on, more power underneath.

• [Added] [Classic] Introduced command-line automation for scripts, batch files, PowerShell, and third-party tools. Classic can now analyze or clean the saved selection silently, optionally target a specific cleaner category, and shut down the PC after cleaning #52
• [Added] [Classic] Added command-line documentation and ready-to-copy examples under Options > Handoff / CLI
• [Changed] [Classic] Development of the built-in Mini mode has been paused for now. It may return later as a separate add-on or as part of a future plugin system.
• [Improved] [Classic] Deleting a cookie no longer throws the user back to the beginning of the list. FluentCleaner still refreshes the real browser databases, but now keeps the working position and selects the nearest remaining entry #185
• [Added] [Classic] Added Select all to the context menus of both Cookie Manager lists. Active search filters are respected, so only currently visible cookies are selected #185
• [Fixed] [Classic, Modern] FluentCleaner now correctly remembers an intentionally empty cleaner selection. Previously, selecting zero items was mistaken for a fresh installation and the default entries returned after restarting #176
• [Fixed] [Classic, Modern] Silent cleaning and command-line operations now also respect an intentionally empty cleaner selection instead of silently falling back to database Defaults
• [Fixed] [Classic, Modern] Improved DetectFile handling for 32-bit applications. Cleaner entries using %ProgramFiles% now correctly detect installations in both Program Files and Program Files (x86), with or without Wildcards #184
• [Improved] [Classic] The Entry column in the analysis results now automatically uses the available space, while the file, registry, and size columns remain compact and stable
• [Improved] [Classic] CLI runs return automation-friendly exit codes and write detailed results to %AppData%\FluentCleaner\auto.log
• [Added] [Classic] Azerbaijani localization is now available, bringing the Classic interface to another language. Thanks to @jamalkamaladdin for the contribution in #181
• [Updated] [Classic] Added localized Select all text for the Cookie Manager and cleaned up the English and German localization structure for easier maintenance
• [Updated] [Classic] Refreshed the Brazilian Portuguese and French localizations with the latest interface strings and translation improvements.

---

Two editions, one cleaner

Same cleaning engine, two independent releases. Pick the UI and runtime that suit you

Edition	Version	Download
Modern WinUI 3 · Windows App SDK	26.09.01	⬇ Download Modern WinGet: winget install --id Builtbybel.FluentCleaner --exact
Classic WinForms · .NET Framework 4.8 · tiny and portable	1.18.250	⬇ Download Classic
❤️ Support development	Built by Belim	PayPal · Ko-fi

Modern vs. Classic: which FluentCleaner do you actually run?
#100

FluentCleaner Classic 1.17

FluentCleaner Classic goes Mini

FluentCleaner Classic just learned how to stay out of the way. The new Mini mode turns the full cleaner into a compact desktop companion: analyze, review, and clean whenever needed without keeping the complete interface open. It is still the same FluentCleaner underneath, using the same databases, selections, exclusions, cookie protection, and cleaning engine.

This feature is currently available in FluentCleaner Classic only.

• [Added] [Classic] Mini mode with quick access to Analyze, Review, and Clean
• [Added] [Classic] Option to launch FluentCleaner directly in Mini mode in Settings > Basic Settings
• [Added] [Classic] Always-on-top option and automatic Mini window-position saving
• [Added] [Classic] /MINI and /FULL command-line switches for overriding the saved startup mode
• [Improved] [Classic] Seamless switching between Mini mode and the full FluentCleaner interface
• [Improved] [Classic] The Settings page now scrolls correctly on smaller window sizes, keeping all options accessible
• [Added] [Classic] Polish localization
• [Updated] [Classic] German, English, Bulgarian, French, and Simplified Chinese localization files

---

Two editions, one cleaner

Same cleaning engine, two independent releases. Pick the UI and runtime that suit you

Edition	Version	Download
Modern WinUI 3 · Windows App SDK	26.08.03	⬇ Download Modern WinGet: winget install --id Builtbybel.FluentCleaner --exact
Classic WinForms · .NET Framework 4.8 · tiny and portable	1.17.227	⬇ Download Classic
❤️ Support development	Built by Belim	PayPal · Ko-fi

Modern vs. Classic: which FluentCleaner do you actually run?
#100

FluentCleaner Classic 1.16

What began as a small playground around my CrapCheckThis app has now found its way into FluentCleaner Classic. In practical terms, you can use the Inspector to assemble your own set of cleaner signatures, export it as a Handoff file, and temporarily test it through Options > Handoff API. FluentCleaner verifies every entry against your local databases and analyzes the selection without replacing your permanently saved Cleaner configuration.

This feature is currently available in FluentCleaner Classic only.
Try it now: Open FluentCleaner Inspector

• [Added] [Classic] Introduced the FluentCleaner Handoff API for passing cleaner selections from external tools into FluentCleaner
• [Added] [Classic] Added a dedicated Handoff API page under Settings with a direct link to the FluentCleaner Inspector, file import, a short explanation, and command-line integration details
• [Added] [Classic] Inspector selections can now be exported as JSON and analyzed directly in FluentCleaner Classic
• [Improved] [Classic] Imported selections are verified against the locally installed cleaner databases before analysis. Nothing is cleaned automatically, and the saved Cleaner selection remains unchanged
• [Improved] [Classic] Updated the online update mechanism: “Check for updates” now opens the FluentCleaner Inspector with the installed edition and version, allowing it to report the appropriate update status
• [Improved] [Classic] Added a sortable Size column to the result details view, showing the size of every individual file without an additional disk scan (Discussion #164)

---

Two editions, one cleaner

Same cleaning engine, two independent releases. Pick the UI and runtime that suit you

Edition	Version	Download
Modern WinUI 3 · Windows App SDK	26.08.03	⬇ Download Modern WinGet: winget install --id Builtbybel.FluentCleaner --exact
Classic WinForms · .NET Framework 4.8 · tiny and portable	1.16.206	⬇ Download Classic
❤️ Support development	Built by Belim	PayPal · Ko-fi

Modern vs. Classic: which FluentCleaner do you actually run?
#100

FluentCleaner 26.08.03 (WinUI) / 1.15 (Classic)

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---

Yesterday, the Cookie Manager entered its first real-world test run in FluentCleaner Classic. Today, it is already live in the Modern edition as well. Apparently, browser cookies did not get much of a weekend

• [Added] [Classic, Modern] Full Cookie Manager for managing and protecting website cookies
• [Added] [Classic, Modern] Detects cookies from Edge, Chrome, Chromium, Brave, Vivaldi, Opera, Opera GX and Firefox profiles
• [Added] [Classic, Modern] Selected website cookies can be protected so logins survive regular browser cleaning
• [Added] [Classic, Modern] Individual cookies can be deleted directly from the Cookie Manager
• [Added] [Classic, Modern] Detected and protected cookies can be searched instantly
• [Added] [Classic, Modern] Existing cookie keep-lists can be imported from CCleaner TXT exports
• [Added] [Classic, Modern] Cookie keep-lists can be exported as portable TXT files
• [Improved] [Modern] The Settings panel is now divided into clearly navigable sections instead of one long scrolling page
• [Improved] [Classic, Modern] Browser cleaning now preserves selected cookies without deleting the complete cookie database
• [Updated] [Modern] English and German localization for the Cookie Manager and the redesigned Settings navigation

---

Two editions, one cleaner

Same cleaning engine, two independent releases. Pick the UI and runtime that suit you

Edition	Version	Download
Modern WinUI 3 · Windows App SDK	26.08.03	⬇ Download Modern
Classic WinForms · .NET Framework 4.8 · tiny and portable	1.15.170	⬇ Download Classic
❤️ Support development	Built by Belim	PayPal · Ko-fi

Modern vs. Classic: which FluentCleaner do you actually run?
#100

FluentCleaner Classic 1.14

[!CAUTION]

⚠️ Avoid fluentcleaner[.]org

fluentcleaner[.]org is NOT an official FluentCleaner website and is not operated, maintained, or endorsed by me.

I strongly recommend not downloading or installing anything from that site.

There is only ONE official source for FluentCleaner:
https://github.com/builtbybel/FluentCleaner
If another website claims to provide an "official" FluentCleaner download, installer, build, or mirror, it isn't coming from me.

---

Tip

🛠️ Like FluentCleaner Classic?

Meet its tweak-obsessed sibling: CrapFixer 2.0
Scan, review, fix and restore Windows tweaks or ask AI what they actually do. Powered by expandable Wintweak2.ini signatures.

👉 Check out CrapFixer

---

Cookie Manager arrives in Classic

You have been asking for this one for a very long time and believe me, I have been working on it for just as long. Cookies look simple until modern browsers hide them inside shared SQLite databases and expect cleaners to perform surgery instead of deletion.

After a lot of development, testing, and a few moments of questioning the entire concept of browser cookies, the new Cookie Manager is finally ready for its first public test in FluentCleaner Classic

Whats new in FluentCleaner Classic v1.14?

• [Added] Cookie Manager preview under Options > Cookies
• [Added] Detect, search and protect cookies for selected websites
• [Added] Cookie Manager Support for Microsoft Edge, Chrome, Brave, Chromium, Vivaldi, Opera and Firefox profiles
• [Added] Protected domains and their subdomains are preserved during browser-cookie cleaning
• [Improved] Cookie databases are now cleaned selectively whenever a keep-list exists
• [Improved] Locked or unsupported cookie databases are safely skipped instead of being deleted
• [Improved] Cookie protection is stored in settings.json and works in portable mode
• Updated Lithuanian translation #150
• Updated Simplified Chinese #149
• Updated Bulgarian localization #148

Whats new in FluentCleaner Modern v26.08.02 (Modern maintenance update)

• While the new Cookie Manager begins testing exclusively in Classic, the Modern edition receives a smaller maintenance pass focused on reliability, exclusions, and general polish

---

Two editions, one cleaner

Same cleaning engine, two independent releases. Pick the UI and runtime that suit you

Edition	Version	Download
Modern WinUI 3 · Windows App SDK	26.08.02	⬇ Download Modern
Classic WinForms · .NET Framework 4.8 · tiny and portable	1.14.158	⬇ Download Classic
❤️ Support development	Built by Belim	PayPal · Ko-fi

Modern vs. Classic: which FluentCleaner do you actually run?
#100

FluentCleaner Classic 1.13

[!CAUTION]

⚠️ Avoid fluentcleaner[.]org

fluentcleaner[.]org is NOT an official FluentCleaner website and is not operated, maintained, or endorsed by me.

I strongly recommend not downloading or installing anything from that site.

There is only ONE official source for FluentCleaner:
https://github.com/builtbybel/FluentCleaner
If another website claims to provide an "official" FluentCleaner download, installer, build, or mirror, it isn't coming from me.

---

---

Tip

🛠️ Like FluentCleaner Classic?

Meet its tweak-obsessed sibling: CrapFixer 2.0
Scan, review, fix and restore Windows tweaks or ask AI what they actually do. Powered by expandable Wintweak2.ini signatures.

👉 Check out CrapFixer

---

FluentCleaner Classic has officially become just as popular as the WinUI 3 edition and honestly, I understand why. I probably should not admit this, but Classic has also become my primary edition. With every release it gets safer, sharper, and more professional while stubbornly refusing to become heavy or complicated

You can still cast your vote here. There is no winner to crown. I am simply curious to see how preferences shift over time: fast and polished on the modern Windows stack, or fast and uncomplicated using the runtime Windows already provides

Whats new in v1.13?

• [Improved] Further optimized FluentCleaner Classic’s internal core, making the app faster to start and more responsive during everyday use
• [Added] If something is not working, you can now create a troubleshooting report from the About page. The TXT file is saved locally, can be reviewed before sharing, and is never sent automatically. You may attach it manually to a GitHub issue if needed.
• [Added] Japanese, Italian, and Russian localizations
• [Updated] Bulgarian, English and German localizations with the latest interface strings
• [Added] Classic only: FluentCleaner Classic now offers an optional Supporter Edition acknowledgement. As a small thank-you, anyone who chooses to support development with an amount of their choice can add an optional name or organization under Options > About. No features are locked or changed.

---

Two editions, one cleaner

Same cleaning engine, two independent releases. Pick the UI and runtime that suit you

Edition	Version	Download
Modern WinUI 3 · Windows App SDK	26.08.01	⬇ Download Modern
Classic WinForms · .NET Framework 4.8 · tiny and portable	1.13.137	⬇ Download Classic
❤️ Support development	Built by Belim	PayPal · Ko-fi

Modern vs. Classic: which FluentCleaner do you actually run?
#100

FluentCleaner - Classic Refined and Modern Inherited

Caution

⚠️ Avoid fluentcleaner[.]org

fluentcleaner[.]org is NOT an official FluentCleaner website and is not operated, maintained, or endorsed by me.

I strongly recommend not downloading or installing anything from that site.

There is only ONE official source for FluentCleaner:
https://github.com/builtbybel/FluentCleaner
If another website claims to provide an "official" FluentCleaner download, installer, build, or mirror, it isn't coming from me.

---

Classic refined it. Modern inherited it

The last releases focused heavily on polishing FluentCleaner Classic and strengthening its cleaning engine. After proving these improvements in daily use, the most important changes have now made their way into the Modern edition as well.
Both editions now benefit from faster excluded-path handling, complete registry exclusions, safer cleaning behavior, and the expanded database with 4,075 cleaning entries

Whats new in v1.12?

FluentCleaner Modern

• [Added] Support for REG exclusions from Winapp databases and global settings
• [Improved] Protected registry branches remain intact even when a parent key is cleaned
• [Improved] Recursive scans now skip fully excluded directory trees instead of scanning and filtering them afterward
• [Improved] Added a registry exclusion example to the global exclusions settings
• [Updated] The built-in Winapp2.ini database received a massive update, growing from 3,721 to 4,075 cleaning entries
  • Added 367 new definitions and removed or replaced 13 obsolete entries
  • New and expanded coverage includes Anthropic Claude, Microsoft Copilot, Brave Origin, Adobe tools, Nexus Mods App, Outer Wilds Mod Manager, Synergy, and more
  • FluentCleaner maintains its own curated Winapp2 edition with additional app-specific entries, safer defaults, warnings, and tested rule improvements
  • Following additional compatibility testing, this curated database is now shipped as the default built-in cleaning database

Credits to the Winapp2 community for the extensive upstream work

FluentCleaner Classic

• [Improved] Recursive scans now skip fully excluded directory trees instead of scanning and filtering them afterward, making analysis noticeably faster when large folders are excluded (#130)
• [Added] A comprehensive FluentCleaner Classic User Guide covering first steps, cleaning databases, exclusions, Custom Cleaners, Rule Lab, portable mode, scheduling, localization, safety, troubleshooting, and technical details
• [Info] Many sections also apply to the Modern edition, as both versions share the same FluentCleaner.Core parser, cleaning engine, Winapp2 databases, and exclusion logic
• [Added] Optional local supporter recognition. Supporters can add a name or alias and appear as a Classic Supporter in the About page. The status is stored locally in supporter.json, no account, telemetry, or payment verification involved

---

Two editions, one cleaner

Same cleaning engine, two independent releases. Pick the UI and runtime that suit you

Edition	Version	Download
Modern WinUI 3 · Windows App SDK	26.08.01	⬇ Download Modern
Classic WinForms · .NET Framework 4.8 · tiny and portable	1.12.125	⬇ Download Classic
❤️ Support development	Built by Belim	PayPal · Ko-fi

Modern vs. Classic: which FluentCleaner do you actually run?
#100

FluentCleaner Classic Strikes Back, Again

Caution

⚠️ Avoid fluentcleaner[.]org

fluentcleaner[.]org is NOT an official FluentCleaner website and is not operated, maintained, or endorsed by me.

I strongly recommend not downloading or installing anything from that site.

There is only ONE official source for FluentCleaner:
https://github.com/builtbybel/FluentCleaner
If another website claims to provide an "official" FluentCleaner download, installer, build, or mirror, it isn't coming from me.

---

FluentCleaner Classic keeps growing in popularity and the community poll shows that it has become a genuine head-to-head race. So, for the second release in a row, I've focused on Classic: polishing its core, tightening the experience, and making the little edition better than ever

Whats new in v1.11?

• [Improved] FluentCleaner Classic now starts noticeably faster
• [Improved] Reduced memory usage and improved responsiveness during startup
• [Added] Settings export and import as portable JSON files directly from the About page
• [Added] Support for custom OpenAI-compatible providers with an editable API endpoint, model name and API key Discuss here #31
• [Added] OpenRouter as the preconfigured endpoint for OpenAI-compatible providers
• [Improved] Imported settings now refresh all existing Options pages before offering a restart
• [Improved] Portable mode is now clearly shown in green next to the application version
• [Improved] Streamlined the About page with compact settings backup controls
• [Improved] Added endpoint and model validation to the AI provider test
• [Improved] AI response caching now distinguishes between providers, endpoints and models
• [Improved] Consolidated restart handling for language changes, database updates and imported settings
• [Refactored] Cleaned up and reorganized AppSettings
• [Fixed] FluentCleaner Classic now remembers when its window was maximized and restores that state on the next launch (#112)
• [Added] Spanish localization
• [Added] French localization

---

Two editions, one cleaner

Same cleaning engine, two independent releases. Pick the UI and runtime that suit you

Edition	Version	Download
Modern WinUI 3 · Windows App SDK	26.07.05	⬇ Download Modern
Classic WinForms · .NET Framework 4.8 · tiny and portable	1.11.112	⬇ Download Classic
❤️ Support development	Built by Belim	PayPal · Ko-fi

Pick your poison! Just make sure you get it from the actual developer

🚀 Quick start

New to FluentCleaner Classic? The Quick Start guide gets you from first launch to your first safe cleanup in just a minute.

FluentCleaner Classic 1.10

Caution

⚠️ Avoid fluentcleaner[.]org

fluentcleaner[.]org is NOT an official FluentCleaner website and is not operated, maintained, or endorsed by me.

I strongly recommend not downloading or installing anything from that site.

There is only ONE official source for FluentCleaner:
https://github.com/builtbybel/FluentCleaner
If another website claims to provide an "official" FluentCleaner download, installer, build, or mirror, it isn't coming from me.

---

FluentCleaner Classic is settling into its final form. This release polishes the WinForms interface, expands the cleaning engine with registry exclusions and new targeted cleaners, strengthens database safety, and improves runtime JSON localization, all while keeping the tiny .NET Framework 4.8 footprint and reducing duplicate code under the hood

💬 Classic or Modern? Vote here — curious which one people actually end up using day to day.

FluentCleaner Classic

• [Polished] The Classic UI is approaching its final form: compact, familiar, responsive, and consistent across different window sizes and high-DPI displays
• [Added] Full registry exclusion support for both Winapp2 rules and global exclusions using REG|...
• [Added] Clear exclusion syntax and examples under Options > Exclusions
• [Added] [Winapp2.ini] Cleaning support for Microsoft VS Code, Microsoft VS Code Logs, and Microsoft VS Code File History
• [Added] Complete Claude Code cleaner suite to the Custom Cleaner section, covering caches, logs, sessions, backups, file history, shell snapshots, and temporary files
• [Added] New Custom Cleaners for Angular Cache, Backup Files, DS Store Files, Thumbnail Databases, and Vim Swap Files
• [Improved] Renamed Deep Clean to Deep Scan and expanded it with additional targeted cleanup rules
• [Improved] Refined the Classic interface with cleaner spacing, consistent panels, aligned controls, stronger category styling, and a more cohesive desktop layout
• [Improved] Resizing behavior throughout the Options area, including scrollable settings content when space becomes limited
• [Improved] Database settings now explain the purpose and risk level of Winapp2, Winapp3, and custom databases more clearly
• [Improved] Database-related controls now follow their enabled state, reducing accidental or confusing input
• [Improved] Runtime JSON localization with more reliable locale handling, cleaner resource keys, language metadata, and fallback behavior
• [Improved] Registry exclusions are implemented generically and will work with future Winapp2 rules, not only the entries currently using them
• [Added] Dutch localization
• [Added] Greek localization
• [Added] Portuguese (Brazil) localization
• [Added] Chinese (Simplified) localization
• [Added] Chinese (Traditional) localization
• [Improved] German translation quality and consistency

---

Two editions, one cleaner

Same cleaning engine, two independent releases. Pick the UI and runtime that suit you

Edition	Version	Download
Modern WinUI 3 · Windows App SDK	26.07.05	⬇ Download Modern
Classic WinForms · .NET Framework 4.8 · tiny and portable	1.10.091	⬇ Download Classic
❤️ Support development	Built by Belim	PayPal · Ko-fi

Pick your poison! Just make sure you get it from the actual developer

FluentCleaner - Classic & Modern Update

Caution

⚠️ Avoid fluentcleaner[.]org

fluentcleaner[.]org is NOT an official FluentCleaner website and is not operated, maintained, or endorsed by me.

I strongly recommend not downloading or installing anything from that site.

This isn't hypothetical. MakeUseOf recently recommended FluentCleaner while directing readers to fluentcleaner[.]org instead of the official project. I created an account specifically to warn them in the comments that I am the developer and that the linked site is not mine. That comment was later removed.

That's the part I find especially frustrating: the official repository has a prominent warning about fake FluentCleaner websites. Verifying the source would have taken less time than writing the recommendation.

There is only ONE official source for FluentCleaner:
https://github.com/builtbybel/FluentCleaner
If another website claims to provide an "official" FluentCleaner download, installer, build, or mirror, it isn't coming from me.

We keep telling users to be careful what they download. That's difficult to take seriously when tech publications don't verify the software sources they recommend.

Credit where credit is due: Deskmodder.de is one of the few tech blogs I've seen actually address this problem and warn readers about increasingly aggressive fake software websites distributing malware.

Thank you for taking the issue seriously:
https://www.deskmodder.de/blog/2026/07/27/hinweis-fake-webseiten-werden-aggressiver-und-verteilen-malware/

---

This release brings the Classic and Modern editions closer together while keeping each version lightweight, independent, and true to its own UI.

FluentCleaner Classic

• [Improved] AI explanations now follow the selected application language
• [Improved] Groq now uses openai/gpt-oss-120b with the current completion and reasoning parameters
• [Improved] Cleaner analysis summary layout and placement of scan details
• [Improved] Exclusion and post-clean controls are now disabled while their parent feature is inactive
• [Improved] Browser cookie-cleaning entries now remain disabled by default
• [Refactored] MainForm navigation, view initialization, localization flow, and shared UI responsibilities were reorganized into smaller, clearer components
• [Refactored] Settings persistence was centralized while preserving compatibility with values written by the Modern edition
• [Added] Chinese (Simplified) language support
• [Added] Bulgarian language support
• [Improved] German language support

FluentCleaner Modern

• [Added] AI provider selection for Groq, OpenAI, and Anthropic
• [Added] Built-in scheduled cleaning with daily, weekly, and logon triggers
• [Added] Optional automatic shutdown after a scheduled cleaning run
• [Improved] The selected AI provider is now used consistently for entry explanations, Custom Cleaner generation, and PowerShell generation
• [Improved] Groq now uses openai/gpt-oss-120b
• [Fixed] Groq requests now use max_completion_tokens, low reasoning effort, and hidden reasoning output
• [Improved] Scheduled cleaning now runs through the existing headless /AUTO mode without opening the application window
• [Improved] Classic and Modern now use separate Windows tasks and separate schedule settings
• [Improved] Configuring scheduled cleaning in one edition can no longer overwrite the other edition's schedule

---

Two editions, one cleaner

FluentCleaner is available in two independent editions:

Modern
The full modern Windows experience with WinUI 3, Windows App SDK, scheduled cleaning, AI integrations, Custom Cleaner, and the latest FluentCleaner features.

Classic
The old-school alternative built with WinForms and .NET Framework. Lightweight, compact, and increasingly close to feature parity with Modern.

Pick your poison.Just make sure you get it from the actual developer

Edition	Version	Download
FluentCleaner — modern WinUI 3 experience	26.07.05	⬇ Download Modern/WinUI 3
FluentCleaner Classic — tiny and portable WinForms edition	1.09.079	⬇ Download Classic
❤️ Support development	Created & maintained by Belim	Donate via PayPal · Support on Ko-fi