Hot on the heels of releasing a version of the mega-popular game for Google’s Chrome browser, Rovio has announced that the game is now available for Windows…no browser required. Two versions of Angry Birds for Windows, the original as well as Angry Birds Rio. Costs $4.95ea or you can download a free demo version if you just want to check it out. Run on the Windows XP SP2 OS or a newer version of Microsoft’s OS.