Java is a programming language that’s used to install and run programs. Chances are that there are already several programs on your Windows computer that run using Java, even if you don’t know it.

What is Java and why do I need it?

Java is a programming language and computing platform first released by Sun Microsystems in 1995. There are lots of applications and websites that will not work unless you have Java installed, and more are created every day. Java is fast, secure, and reliable.

Do I really need Java on Windows 10?

You only need Java if an app requires it. The app will prompt you. So, yes, you can uninstall it and it’s likely safer if you do.