1.Download Viber linux version http://www.viber.com/#desktop
*Note that the package is in .deb (viber.deb)
2.Install dpkg package
[mmara@r3d3ye ~]$ sudo yaourt -S dkpg
[mmara@r3d3ye~]$ sudo dkpg -i viber.deb
4. Launch Viber program and follow the screen message
*a Viber code will be sent to your mobile number...input it on your viber desktop version.
Thats it! As viber says, Enjoy your "Free calls, text and picture sharing with anyone, anywh