Go to Java's "Verify Java Version" web page. 2. Click on the "Verify Java version" button to check which version of Java your computer currently has installed and whether or not you need to update it.

How to clear the Java cache on a Mac. 1. Click the Apple icon in the top-left and then click "System Preferences..." 2. Click "Java." If you don't see this option, it means you don't have Java ...