whatever operating system is installed. Sign up to our free newsletter. Security news, advice, and tips. First, let’s take a look at how you can check whether you’re running the latest – and safest – ...

To check which version of Java you have on your Windows computer, you'll need to open the Command Prompt app. If you don't have the latest version of Java installed, Windows may have trouble ...

How to check the Java version on your Mac using System Preferences 1 ... which version of Java your computer currently has installed and whether or not you need to update it.