After the release of online version of Angry birds, now Rovio Mobile released the new version of Angry Birds game for PC users. So now you can install the game on your Windows PC and enjoy it anytime. You can download it from download.angrybirds.com from here you can download a free demo of Angry Birds, Angry Birds Rio and Angry Birds Seasons for your PC.
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You can download a free demo of the game from download.angrybirds.com. To access the full game you will have to buy an activation key from shop.angrybirds.com. Enter this activation key into the “Activate full version” dialog in the game to unlock all of the levels and golden egg extra content, and access content updates.