Links diretos para baixar o Service Pack 1 do Windows 7

64 bits (x64)

KB2533552
https://catalog.s.download.windowsupdate.com/msdownload/update/software/crup/2011/05/windows6.1-kb2533552-x64_0ba5ac38d4e1c9588a1e53ad390d23c1e4ecd04d.msu

KB976932
https://catalog.s.download.windowsupdate.com/msdownload/update/software/svpk/2011/02/windows6.1-kb976932-x64_74865ef2562006e51d7f9333b4a8d45b7a749dab.exe

32 bits (x86)

KB2533552
https://catalog.s.download.windowsupdate.com/msdownload/update/software/crup/2011/05/windows6.1-kb2533552-x86_f2061d1c40b34f88efbe55adf6803d278aa67064.msu

KB976932
https://catalog.s.download.windowsupdate.com/msdownload/update/software/svpk/2011/02/windows6.1-kb976932-x86_c3516bc5c9e69fee6d9ac4f981f5b95977a8a2fa.exe