Keep in mind that not every JAR file is runnable. Some JAR files are just support files intended to be used by other Java apps. For a JAR file to run, the JAR itself must contain at least one class ...

How to run a JAR file in Windows 11/10 Since Java or JAR files can’t run on Windows on their own, you need to install the Java Framework or what is popularly called Java.

How to run a Java program using Command Prompt First things first, you will have to write the code that you want to run and save that as a Java executable file.

Get a hands-on look at Java preview features, such as the JDK 13 text blocks, with this video tutorial that lays out how to run and compile to proper code in five easy steps.