If the old installers won't run, you can play the original gameplay style using:
: Many "unblocked games" sites host HTML5 versions of the 2011 levels that run directly in your browser without a download. Download Angry Birds PC Game 2011
Looking for the classic ? While the original PC version was officially discontinued by Rovio years ago, you can still find ways to play the 2011 classic on modern systems. Where to Find the 2011 PC Version If the old installers won't run, you can