I want to install Teamspeak and found this tutorial. When I go to the official TeamSpeak Download Site here I have several options to download for Linux. I downloaded the AMD64 client package (using fully updated 64bit Ubuntu). I went and checked the "Start as Program" checkbox in the properties of the .run file. Sadly when I started it with a doubleclick gedit opened it (and crashed after a while).
So I navigated to the folder and did: ./TeamSpeak3-Client-linux_amd64-3.0.15.1.run
It worked and I had a folder with Teamspeak in my Downloads folder.
But although I checked the "Start as Program" checkbox for the ts3client_linux_amd64 it does nothing.. If I rightclick and choose "Run as application" nothing happens (at least I see nothing).
The ts3client_runscript.sh opens in gedit beneath enabling the said checkbox.

Any way to get it working? Don't know how to run these over terminal (pretty new user).

Mind that the checkbox titles etc. are freely translated from German to English.

Thank you for your time!