To check which version of Java you're running, you'll need to use Windows 10's Command Prompt app. The Command Prompt can seem intimidating at first, but if you know what to type, you'll be fine ...

Before installing JDK, it’s imperative to check whether your computer is compatible with the JDK version. JDK is compatible with Windows 11/10/8/7, but you need to be running the 64-bit version ...