If the old installers won't run, you can play the original gameplay style using:
Since it is no longer available on official stores like Steam or the Rovio website, your best bets are: Download Angry Birds PC Game 2011
: Rovio released " Angry Birds Classics " recently, which can be played officially on Windows through the Google Play emulator. If the old installers won't run, you can
: Many "unblocked games" sites host HTML5 versions of the 2011 levels that run directly in your browser without a download. Users have uploaded preserved copies of the Angry
: This is the most reliable source for the original installers. Users have uploaded preserved copies of the Angry Birds PC 2011 collection, which often include the original base game, Seasons, and Rio.
: Look for the "Angry Birds v1.6.3" or "v2.0.0" setups, as these were the standard 2011-era releases.