Can I use my activation key on more than one computer? Rovio Support Team June 12, 2017 14:57 Updated An activation key can be used to activate the Angry Birds game that you purchased on a maximum of three Windows PCs. Related articles How can I get an activation key? Why am I not getting any updates? How do I save / transfer my progress? Angry Birds does not work on my Android device. What can be done? I'm sure I'm connected to the Internet, so why is the game saying that the registration has failed? Comments 0 comments Article is closed for comments.