To download just run Windows Update from your Control Panel and your good to go. The downloading is fast so you get t enjoy new features quickly.
Fyi Don't see it yet [SP1] from my system... b_mod multi boot x64 All i have showing is KB's "971033, 976902" Plus 34 optional languages cuz running Ultimate. Edit: After installing 976902 the following update appeared Windows 7 Service Pack 1 for x64-based Systems (KB976932) Size 73.6 MB - 892.6 MB
it is showing on mine ??? Multi boot win 7 x64 but i chose to down the full ( x64 an x86 version... )so i can do all 4 pcs... an save on bandwith.... filename 7601.17514.101119-1850_Update_Sp_Wave1-GRMSP1.1_DVD.iso