Installing a .run file in Ubuntu is as simply as 1, 2, 3. Most linux newbies get confused when they have downloaded a .run file because they wonder if it was for a different linux distrubution or whether or not the file can actually run on linux.

How to install a .run file in Ubuntu

1. Open Terminal
2. Make sure the file is in your desktop folder or on your desktop
   
3. Type in cd ~/desktop 
4. Type in .sh ./filename.run