This post explains how to install Java or check which version is running on your machine. Install on any OS, and learn about the JDK.

Having an up-to-date Java version on your Mac is necessary for accessing countless websites and applications. Visit Business Insider's homepage for more stories.

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.