1- download file into your computer :
2- enter any nickname and password and login .
3- chose your mod pack ….
4- enjoy
Ps: don't forget to use "chmod+x app" before you run linux app .
1.03.14
* Fixed issue switching between some modpacks without restarting the launcher
* Fixed: issue with legacy jarmods not getting loaded correctly
* Fixed: issue with locales not loading for some users
1.03.13
* Fixed issue launching under windows xp
* Fixed issue for users with malfuntioning proxies
* Changed: all Minecraft launching now runs through newer launch code -- older versions now use custom wrapper to handle the launch animation (should fix numerous issues launching pre 1.6.x packs)
1.03.12
* fix issue causing additional directories to get scanned for mods in legacy Minecraft versions
1.03.11
* Fix for authentication crashes for some users * Fix for some users having crashes when loading pre 1.6.4 modpacks
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Fixed loading preloaded modpacks when offline.
Fixed online support and realms for 1.7.2 modpacks.
Added support for 1.7.2 modpacks.