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1. in the betacraft download page, you (obviously) need to download the linux version
2. it will download a .jar file. right click any empty space in the folder that contains the .jar file. you will see a button similar to "Open in Terminal". click it.
3. in the terminal, type: [b]java -jar launcher-1.09_17.jar[/b], then press enter.
enjoy!
NOTE: if your desktop environment is KDE and you dont have a different terminal, you might have a terminal called "Konsole".
Last edited by ee on Sun Nov 09, 2025 4:08 pm, edited 4 times in total.
2. Make sure Qt5 is installed. For example, on Ubuntu/Debian: sudo apt install libqt5core5a libqt5network5 libqt5gui5
3. Take care of the installation. For .deb: sudo dpkg -i multimc_1.6-1.deb For PKGBUILD (Arch): Follow the instructions in the GitHub repo to build and install.
For tar.gz: Execute these following commands (make sure to follow the order, please. I'm serious.) tar -xvzf multimc-*-linux.tar.gz cd MultiMC chmod +x MultiMC ./MultiMC
nullification wrote:If you want to complicate your life and want to use MultiMC instead (which doesn't have the same features as BetaCraft but is more flexible)...
3. Take care of the installation.For .deb: For PKGBUILD (Arch):Follow the instructions in the GitHub repo to build and install. Execute these following commands (make sure to follow the order, please. I'm serious.)tar -xvzf multimc-*-linux.tar.gz cd MultiMC chmod +x MultiMC ./MultiMC
You could also get Prism Launcher over MultiMC, basically the same thing but with active development. That's what I use with the Betacraft's LegacyFix applied.
2. Make sure Qt5 is installed. For example, on Ubuntu/Debian: sudo apt install libqt5core5a libqt5network5 libqt5gui5
3. Take care of the installation. For .deb: sudo dpkg -i multimc_1.6-1.deb For PKGBUILD (Arch): Follow the instructions in the GitHub repo to build and install.
For tar.gz: Execute these following commands (make sure to follow the order, please. I'm serious.) tar -xvzf multimc-*-linux.tar.gz cd MultiMC chmod +x MultiMC ./MultiMC
Then, you're pretty much done. Enjoy. You could also get Prism Launcher over MultiMC, basically the same thing but with active development. That's what I use with the Betacraft's LegacyFix applied.
I would honestly be wary of MultiMC forks like Prism Launcher, I tend to trust the original publisher. But if it works for you, that's alright. :-P
