if you dont have sp1 first go to
https://www.microsoft.com/en-us/down...s.aspx?id=5842
to update to SP1
then
Set allows you to update Windows 7 SP1 (x86 x64) and Server 2008 R2 SP1 live operating systems, as well as integrate the updates in the distribution (Install.wim). Can be installed on any language. Includes all critical, recommended, and security updates and updates for all versions of Internet Explore
then use this from
http://forum.oszone.net/thread-257198.html
UpdatePack7R2 to upgrade Windows 7 SP1 and Server 2008 R2 SP1
https://mega.nz/#!SRZHVbhD!aJCJa0rZK...2YbvL5gI_ewA8E