How Can I Run JAR Files with a Double-Click in Windows?

Run JAR Files with a Double-Click in Windows

Navigating through the command prompt to execute JAR files can be tedious. Fortunately, there are methods to enable seamless execution with just a double-click.

One convenient option is to upgrade or re-install the Java Runtime Environment (JRE). Alternatively, you can manually associate JAR files with the Java Virtual Machine (JVM) for Windows.

Manual Association

1. Launch Windows Explorer and navigate to "Tools > Folder Options...">
2. Select "File Types" and locate "JAR File."
3. Click "Advanced."
4. Select "Open" in the Actions box and click "Edit..."
5. Browse to the location of the Java interpreter, "javaw.exe."
6. Enter the following command in the "Application used to perform action" field:

C:\Program Files\Java\j2re1.4.2_04\bin\javaw.exe" -jar "%1" %

Note: The path after "javaw" may vary based on your installed Java version.

7. Click "OK" to close all dialogs.

After completing these steps, you should be able to execute JAR files by double-clicking them in Windows Explorer, without the need for command-line intervention.

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