: Available in both 32-bit (x86) and 64-bit (x64). Compilation Date : July 13, 2009.
: This stands for Service Pack 0, meaning the original retail version of the operating system before any major service packs (like SP1) were released. windows 7 sp0 x64 build 617600 full version link
The updated version, identified as Build 6.1.7601. Key Features of the Original Windows 7 (Build 7600) : Available in both 32-bit (x86) and 64-bit (x64)