years ago, you can no longer purchase a legitimate activation key from an official store. However, you can still unlock the full game on PC because the original activation servers are either inactive or set to accept almost any input.
Since the digital storefronts are closed, you can acquire the game through these methods: angry birds space activation key pc link
Is it worth buying a key for the PC version when the game is cheap or free on mobile? years ago, you can no longer purchase a
for the Lua script edit (to bypass the key). angry birds space activation key pc link