Use the official Java Remover tool to get rid of it. So, if you are facing such a problem, make sure to remove the older version first. Sometimes, an existing older version of Java can cause an issue. However, if your JAR file needs a different version of Java, you can download it from here. The default will install the latest version only. Go to Java Download Page, and install it. To run a JAR file on Windows, you need to install Java on your system.

Establish a file association with Java runtime.

So the steps you need to take to open JAR files on Windows 11/10 are: That said, Java files can be dependent on a particular version of Java.

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.

While Archiver tools like 7-Zip can extract content from JAR files, but doing that is pointless – we need to execute the files just as we run the EXE files. Such Java ARchive files can contain Java class files that will run when the JAR is executed. In this post, I will share how to open or run a JAR file on Windows 11/10.Ī JAR file is an archiving format that not only stores directories and source files and can also be run as executable files. When we say open JAR file, we are not opening the file like an archive file, but we are executing it. Similarly, when you run JAVA or JAR files, you need the help of Java Framework to open them. When you run an EXE file, it uses Windows OS support. Imagine them as EXE files on Windows, which you can double-click to launch the program. JAR files are like EXE files, except that they need a Java framework to run.

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