To open one .jar file On a Windows computer you will have to install Java Runtime Environment (JRE). Alternatively you can use the extracted software to view the files that are attached to the .jar file. If you want to know more about the steps to run the .jar file and see the file is attached in the .jar file, please refer to the article below the network administrator.
1. Run the .jar (Java Runtime Environment)
To run the .jar file on a Windows computer you need to download and install the Java Runtime Environment (JRE).
Once you have downloaded the Java Runtime Environment, you can run any .jar file by double-clicking on the file name. Note This solution only applies to executable .jar files. If the .jar file is not executable, you can view the file in it. - If you double click on a .jar file without displaying the result of the file being executed or running, the .jar file may not be executable and can not be applied. To view the files in the .jar file, you can rely on the support of the compression / decompression software to work with .jar files, such as 7-Zip or WinRAR. Once installed, you can use the software to open the .jar file and extract the files inside the .jar file. Once the files have been extracted, you can view each one by clicking on each file. Note: If by default the .jar file is opened by programs like WinRAR, 7-Zip, but you want to open the .jar file with another compression / unzip program, you can then change the default program to open the file. .jar by right-clicking on the file, select Open with and select Choose default program On the Open with window, click the button Browse to open the window File Explorer And you have to find the executable (.exe) file of the software program that you want to set as the default program to open the .jar file.
