Installing Java

Download the Java Development Kit (JDK)

You can either use the installer, or download the files and install yourself. This Wiki will cover installing the Oracle JDK.

• You can download different version of Java here: https://www.oracle.com/java/technologies/java-se-glance.html

• You can have multiple versions installed at the same time; managing/swapping different versions is explained in the Path section.

Using Windows Installer

The installer will download the JDK, but also update the proper configurations on your computer.

• Go to: https://www.oracle.com/java/technologies/java-se-glance.html

• Select your desired version

• Go to the download page for that version

• Choose the Windows x64 Installer

  • WARNING: Choosing Windows x64 Compressed Archive will require you to perform installation manually._

• Use the default settings in the installer

  • This will place the JDK in the Program Files of your computer

Once installation is complete...

• Open the command prompt

• Use the following command:

java -version

If it displayed a version, congratulations, you've installed Java!

Manual Windows Installation

This will download the JDK, but requires some extra work to make sure your system recognizes it.

Downloading

• Go to: https://www.oracle.com/java/technologies/java-se-glance.html

• Select your desired version

• Go to the download page for that version

• Choose the Windows x64 Compressed Archive

• Select where you want the JDK to be placed - Remember where you placed it!

  • Recommended to place in the Program Files/Java folder on your computer

  • If a Java folder doesn't exist in Program Files, create one

  • This part is optional

Installing

• Find the path of your JDK download

• Open up the bin folder

• Save the path to this folder

  • Should be something like C:\Users\You\Program Files\JDK 15\bin

• Open Environmental Variables on your computer

  • Use the shortcut Windows + R on your keyboard to open up the Run
  • Type SystemPropertiesAdvanced then click enter
  • Choose "Environmental Variables" towards the bottom

• Under System Variables (bottom panel), look for the Path variable

• Highlight the variable, click the Edit button

• Click the New button

• Add the path to the bin folder you saved earlier

• Move this entry to the top

• Click OK to close the Path window & Environmental Variables window

Test to make sure it's recognized...

• Open the command prompt

• Use the following command:

java -version

If it displayed a version, congratulations, you've installed Java!