Diablo III Open Beta Weekend Underway and Client

Everyone is invited to log in and help put the game and servers in a three day stress test
A Diablo III open beta weekend is starting today offering open access to all players with a valid Battle.net account, Blizzard Entertainment announced. From Friday, April 20 at 21:01 CEST, until Monday, April 23 at 19:00 CEST you'll be able to log in, team up with friends, and play each of the five heroic classes to level 13 as you fight to save the world from the impending demonic invasion.
Log in or create a Battle.net account using this page, create your BattleTag, which is required to play Diablo III, and download the game client, which is now locally mirrored.