Service Pack-windows-7-sp1-x64-b78b8e95-9e46-4f7a-9d1d-f64477bb7326 [verified] ◎

Includes all previously released security updates for the OS.

If you need the official (which is a prerequisite for many later updates), the correct download identifiers are: Includes all previously released security updates for the OS

This dramatically reduces update time (from days to ~1 hour). Includes all previously released security updates for the OS

Here is a breakdown of the "solid features" introduced and improved in this specific service pack: Includes all previously released security updates for the OS