Can I use my activation key on more than one computer? Rovio Support Team June 13, 2017 10:21 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 I used a Space Eagle. Why didn’t it pop all the pigs? How can I unlock the levels in Brass Hogs episode? Why am I not getting any updates? How can I get an activation key? Can I transfer in-app purchases between my iOS devices? Comments 0 comments Article is closed for comments.