If you're interested in playing Angry Birds Space on your PC, I can suggest a few options:
If you own a physical or digital receipt from 2015, you have a moral and legal right to possess a backup copy. If you never paid for it, the ethical path is to buy a used PC DVD-ROM copy from eBay ($5-$10) and use that key. angry birds space activation key pc link
Seeking an ? Since Rovio officially discontinued its PC games in 2014, the traditional purchase and activation system has changed significantly. If you're interested in playing Angry Birds Space