To check which version of Java you have on your Windows computer, you'll need to open the Command Prompt.

If you want to download and install Java JDK 18 on Windows 11/10 computer, you will also have to set up a Path in Environment Variable.

How to check Java version in Windows 11/10: Click the Start button Scroll through the applications and programs listed until you see the Java folder Click on the Java folder Open About Java to see ...