Are you looking for Microsoft Office 2010 RTM? Microsoft has released it for download by Technet and MSDN Subscription. The Microsoft Office 2010 beta version was finally replaced with the RTM and both 32 and 64-bit downloads are now available.
Details for 64bit version:
File Name: en_office_professional_plus_2010_x64_515489.exe
Date Published: 4/22/2010 8:45:06 AM Last Updated: 4/22/2010 8:53:14 AM
SHA1: 7C2F2D5F8C273724EEC70A9EFA2DDD800FE3265F ISO/CRC: BFE0338C
Details for 32bit version:
File Name: en_office_professional_plus_2010_x86_515486.exe
Date Published (UTC): 4/22/2010 8:45:06 AM Last Updated (UTC): 4/22/2010 8:53:18 AM
SHA1: 0E1840BF1AA81077692AF651BEFB75648CD9FAA7 ISO/CRC: 986EB4A1
For more information (Vietnamese) and download: http://windowsvn.net/forum/showthread.php?p=160765
See the official RTM information here – http://blogs.technet.com/office2010/archive/2010/04/15/office-2010-reaches-rtm.aspx.