Build 5536 (build date of August 21, 2006) was released on August 24, 2006, and between August 29 and August 31 to the first 100,000 users who downloaded it from the Microsoft site.
Build 5536 （060821）于8月24日释出，并于8月29日至8月31日之间提供给第一批10万名用户下载。