"If you're using an operating system that's over a decade old to play Blizzard games, we have some bad news for you. Starting in October, Blizzard says [battle.net] it will "begin the process of ending support for Windows XP and Windows Vista in World of Warcraft, StarCraft II, Diablo III, Hearthstone, and Heroes of the Storm." - via ArsTechnica [arstechnica.com]