Windows Server 2008 R2 Compute Cluster (HPC) Product Key: TT8MH-CG224-D3D7Q-498W2-9QCTX. Windows Server 2008 R2 Datacenter. Product Key: 74YFP-3QFB3-KQT8W-PMXWJ-7M648. Windows Server 2008 R2 Enterprise. Product Key: 489J6-VHDMP-X63PK-3K798-CPX3Y. Windows Server 2008 R2 Itanium. Product Key: GT63C-RJFQ3-4GMB6-BRFB9-CB83V. Windows Server 2008. That's for the 32bit version of Server 2008. There NEVER was a 32bit version of 2008 R2. Server 2008 was the LAST server OS from Microsoft available in both 32 and 64 bit versions. After that, everything was 64 bit ONLY. It's still a very solid OS and is still very much alive out there, especially R2.
After Microsoft releases Windows 7 / Windows Server 2008 R2 Service Pack 1 to public, Microsoft now provides single evaluation media ISO for Windows Server 2008 R2 with Service Pack 1 for free download. To download the official ISO just access http://technet.microsoft.com/en-us/evalcenter/dd459137.aspx and logon with your windows live ID.
Or use this Direct Download Link
File Name: 7601.17514.101119-1850_x64fre_server_eval_en-us-GRMSXEVAL_EN_DVD.iso
File Size: 2.9GB
File Size: 2.9GB
Windows 7 Professional 64 Bit Iso Download
The expiration period expires after 180 days. After that the windows system will run with reduced functionalities and reboot every hour.