diff --git a/README.md b/README.md
index 6e47ead..4a00e91 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ HEVC Main (Up to 8192x8192 pixels)
 
 HEVC Main 10 (Up to 8192x8192 pixels)
 
-HEVC Main Still Picture (only Windows is not supported, up to 8192x8192 pixels)
+HEVC Main Still Picture (up to 8192x8192 pixels)
 
 HEVC Rext (partially supported, see the table below for details, up to 8192x8192 pixels)
 
@@ -429,6 +429,8 @@ If Electron >= v22.0.0, the HEVC HW decoding feature for macOS, Windows, and Lin
 
 ## Change Log
 
+`2024-07-19` Added HEVC Main Still Picture Profile support for Windows (Chrome >= `128.0.6607.0`)
+
 `2024-06-29` Added patches to enable HEVC WebRTC support (Chrome >= `128.0.6564.0`)
 
 `2024-05-30` Fixed issue of abnormal color when HEVC video encoded with GBR color space matrix (Chrome >= `127.0.6510.0`).
diff --git a/README.zh_CN.md b/README.zh_CN.md
index 077ad49..f08f5f7 100644
--- a/README.zh_CN.md
+++ b/README.zh_CN.md
@@ -16,7 +16,7 @@ HEVC Main (最高支持 8192x8192 px)
 
 HEVC Main 10 (最高支持 8192x8192 px)
 
-HEVC Main Still Picture (Windows 不支持，最高支持 8192x8192 px)
+HEVC Main Still Picture (最高支持 8192x8192 px)
 
 HEVC Rext (部分支持，细节见下表，最高支持 8192x8192 px)
 
@@ -426,6 +426,8 @@ Electron >= v22.0.0 已集成好 macOS, Windows, 和 Linux (仅 VAAPI) 平台的
 
 ## 更新历史
 
+`2024-07-19` Windows 平台新增 HEVC Main Still Picture Profile 支持 (Chrome >= `128.0.6607.0`)
+
 `2024-06-29` 新增启用 HEVC WebRTC 支持的 Patch (Chrome >= `128.0.6564.0`)
 
 `2024-05-30` 修复了 GBR 色彩空间 Matrix 编码的 HEVC 视频，存在的颜色渲染异常的问题 (Chrome >= `127.0.6510.0`).