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It's very simple and easy! go to your downloads folder Click on the part where it says downloads and press backspace. It should show the download icon and an empty bar. In that area, type: cmd then press enter Once command prompt is open, type java - jar (NAME OF FILE).jar Example: java -jar Optifine-1.16.5.jar then press enter.
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I used the jarfix tool mentioned there, which I can automate the download of via choco install jarfix -y and then I used only the /s switch (for silent). Presumably it is finding my Java installation in the non-standard location via my JAVA_HOME envinronment variable, and from that it properly updated the associations and all .jar files are ...
I've searched for a while for a fix, I think I've tried all of the common fixes, I even tried Jarfix. I have JRE installed, and I deleted and reinstalled it again just to make sure, I'm running Windows 10 64 bit. If I double click the .jar just nothing happens, and I've made sure that .jar is set to open with the right file.
Ensure that Java is properly added to the system path. Read about that here. Open your command prompt, navigate to the location of your jar and enter javaw.exe -jar <yourfile>.jar. If you are using a path instead of a jar name make sure you are wrapping it in double quotes. Also make sure the jar file is actually present in the directory you ...
When I double click on a .jar nothing happens. I was able to open them a week ago but now nothing. Things I have tried so far: reinstalling both JRE and JDK Running jarfix.exe creating a .bat file...
There are many methods for running .jar file on windows. One of them is using the command prompt. Steps : Open command prompt (Run as administrator) Now write "cd\" command for root directory. Type "java jar filename.jar" Note: you can also use any third party apps like WinRAR, jarfix, etc.
Use prayagubd 's approach and specify the .jar as the classpath and name of the main class at the command prompt. Remove the extra byte at the end of the file (with a hex-editor or a command like head -c -1 myjar.jar), and then execute the jar by double-clicking or with java -jar myfile.jar as normal.
1. An easy way to execute .jar files is to create a batch file. Let's say you placed your jar file on your Desktop; @echo OFF. java -jar C:\Users\YourName\Desktop\myjar.jar. Copy this code to a .txt file, modify "YourName" and save as "myjar.bat". Then whenever you double click, the jar file will be executed.
Open the command prompt by typing cmd in the Windows 10 search box ⊞ + S (Windows logo key+S). Make sure you have Java installed on your system. Check this by typing java -version at the command prompt. Run the .jar file using the command: java -jar \path\to\filename.jar. where \path\to\filename.jar in the above command should be replaced ...