The PC version of originally required an activation key when purchased directly from the Rovio shop, but since Rovio discontinued support and sales for the PC version years ago, official keys are no longer sold.
The Ultimate Guide to Bad Piggies PC Activation Keys and Performance bad piggies pc activation key
When Bad Piggies launched in 2012, it arrived on Windows and Mac as a premium title. Players received a unique upon purchase to unlock the full game. Bad Piggies The PC version of originally required
If you have patience, hunt for a Steam Gift on trading forums. If you want it today , carefully vet a gray market seller. But whatever you do, never use a key generator, and never pay a "reseller" who asks for your Steam password. eBay (Search: "Bad Piggies PC DVD") Amazon UK/DE