All SKUs for Windows Server 2008 R2 are 64-bit.

Updated: October 16, 2009

Applies To: Windows 7

Windows Server® 2008 R2 ships with a 64-bit SKU only; no 32-bit SKU is available for the server version of the operating system. However, a 32-bit SKU continues to be available for Windows® 7.

For more information, see 64-Bit Only in the MSDN Library (

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