Don't let high Java CPU usage problems on Windows or Linux distract you from the underlying performance problem you're trying to troubleshoot. There are many ways to fix 100% Java CPU utilization ...

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.

Click on the major version you want to download from the "Java SE" list. For example, choose "Java SE 6" if you want to download any version number ranging from Java 6.0 to Java 6.43.

Making sure your Java isn't a load of old rubbish Taking out the trash is a vital element of keeping your Java virtual machine running smoothly.