* 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)
* fix issue causing additional directories to get scanned for mods in legacy Minecraft versions
* Fix for authentication crashes for some users * Fix for some users having crashes when loading pre 1.6.4 modpacks
1- download file into your computer
2-enter any nickname and password and login .
3-chose your mod pack ….