Firefox Australis now available for testing: The Alpha version of the new Mozilla browser has an almost completely new design, with a new clean and more modern interface. The Alpha version can be tested via the nightly builds; the full version of Firefox Australis will be available early next year. Assassin's Creed 4 comes to PC: The pirate adventure game landed on PCs this week. Ubisoft had planned to release the PC version in late October, but ultimately decided to delay the game until November 21st. Finally, the wait is over: the time for adventure in the Golden Age of Piracy is now! Download Assassin's Creed IV: Black Flag. Instagram arrives on Windows Phone in beta: As predicted, Instagram has arrived on Windows Phone, although at the moment it’s still in beta. Instagram lets you upload photos and get photo feeds, but has yet to include the video function. So far, some users have reported that they prefer the unofficial 6TAG app. Will Instagram be able to reclaim its throne? Download Instagram for Windows Phone. Winamp shutting down December 20th: The legendary mp3 player is set to shut down on December 20th. In reality, the popularity of the software plummeted in recent years, but it's always sad to see an Internet veteran disappear. Thankfully, you can find some great alternatives for Winamp on Softonic.