How to open jar files for minecraft
Liam Parker
Updated on May 01, 2026
How to Open .Jar Files for Minecraft (Install Java)FOR ANYONE WHO CANT OPEN .jar FILES:
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you use any package manager that can handle a zip, because a jar is a zip with a different extension, the jar is signed though so you’ll need to remove the files in META-INF when you repackage. however I suggest you look at forge; this is an api to make modding easier and allows compatibility between mods. Share. Improve this answer.
Go to the folder that the .jar file is located. Then push alt + D type in cmd and hit Enter. This will open cmd.exe with the location set to the correct spot, otherwise you could change directory with the cd (directory) command. Now just type in java -jar minecraft_server1.8.8.jar and hit Enter to open the file. Linux
1. Copy/cut the jar file, but don’t paste it yet 2. Open the versions folder and create a new folder whatever you would like to call it 3. Paste the jar file in the folder you just created 4. Copy the jar file in the folder again and paste it with a different name 5. Open the jar file in notepad, copy all the text and exit the file 6. Delete the copied file 7.
If the jar file opens using an archive program, such as WinRAR or 7-Zip, and you want Java to open it instead, follow the instructions below. (The jar file must contain executable Java code for these steps to work.) Right-click the file and select Open With. In the Open With window, click the Browse button to open the File Explorer window.
Select “OPEN” from the menu Navigate to .JAR location. Select JAR file Click “OPEN” It will show you content of JAR file You could use 7-ZIP archiver instead, its free 7-zip download here WinRAR here
This can be done with any client as long as you have the jar. This article assumes you have the latest version of Minecraft with a premium account. Steps Download Article 1 Click the Start button and type or click Run. 2 Type %appdata% and click OK. 3 Open the Roaming folder. 4 Find and open the .Minecraft folder. 5 Open the versions folder. 6
Related Questions
How to create a JAR file in Minecraft?
Open the versions folder and select a folder you don’t need (if the mod uses 1.7.10, you need to find a folder that runs the 1.7.10 minecraft version 12. Paste the jar file in the folde you selected and rename it exactly as the json file is called
How do I open a JAR file in Java?
If the jar file opens using an archive program, such as WinRAR or 7-Zip, and you want Java to open it instead, follow the instructions below. (The jar file must contain executable Java code for these steps to work.) Right-click the file and select Open With. In the Open With window, click the Browse button to open the File Explorer window.
Why can’t I run a JAR file?
If double-clicking the jar file does not result in the file being run, it’s likely not an executable file and cannot run in this manner. Read the next section on how to view the contents of the jar file. If the jar file opens using an archive program, such as WinRAR or 7-Zip, and you want Java to open it instead, follow the instructions below.
How do you make a weepcraft jar?
Find and open the .Minecraft folder. Open the versions folder. Make a new folder called Weepcraft. You may call this something else. If you do, you must call the jar and the json file that name too. Copy over the custom jar file. Rename it to Weepcraft.
