One of the most widely used add-ons of SP1 was its virtualization improvements that came in the form of Dynamic Memory and RemoteFX services. Some of the core new features that were introduced with Windows 7 SP 1 are the support for Advanced Vector Extensions (AVX) 256-bit instruction set for CPU processors that are needed for highly scientific and complicated calculations in professional apps, a new disk storage format aimed at higher security, as well as Identity Federation Services for better protection of user’s personal identification data in online sessions.

Released to the public in early 2011, some year and a half after the arrival of the original version of Windows 7, SP1 managed to update this OS with features that enabled it to become relevant, more stable, and usable for years to come. Windows 7 Service Pack 1 is an official update for Windows 7 that greatly increases its functionality and stability, offering users of this PC operating system from Microsoft a wide variety of improvements that touch every aspect of using the modern PC platform.

Window 7 service pack 1