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 ...

To do the same, open Command Prompt and then run the following command to check which version of Java is installed on your computer. If it gives you a result, Java is installed, otherwise ...

7. Click on the "About…" button in that first line. A pop-up will appear telling you what version your computer is using. How to check the Java version on your Mac using the Java website 1.