Download The FTB ( feed the beast ) Launcher was first released in November 2012, it was released on a livestream to over 9000 people. The launcher has since taken on new updates, and developers have come and gone. There is currently a brand new launcher in development, scheduled to be released with the 1.6 FTB packs.
* Add support to 1.10 modpacks and much more ... :)
1- download file into your computer
2-enter any nickname and password and login .
3-chose your mod pack ….
Ps: don’t forget to use “chmod+x app” before you run linux app .