Can I use my activation key on more than one computer? Rovio Support Team February 17, 2017 11:24 Updated An activation key can be used to activate Bad Piggies on a maximum of three Windows PCs. Related articles How can I get an activation key? Having trouble launching the game on Android? Enable permissions! I'm sure I'm connected to the Internet, so why is the game saying that the registration has failed? Why am I not getting any updates? How can I get an activation key? Comments 0 comments Article is closed for comments.