Microsoft continuously improves the Windows Vista Operating System by providing ongoing updates while working with software and hardware vendors to help them to deliver improved compatibility, reliability and performance. These updates are provided to customers directly by our hardware and software partners, as well as from Microsoft in the form of hotfixes distributed on a regular basis using Windows Update. Updates to Windows are also delivered directly to some affected customers and preinstalled by PC manufacturers.
This document describes many of the notable changes in Windows Vista SP1. For additional information about the changes in SP1, please see the forthcoming Knowledge Base (KB) article 936332, which is a compendium of all prior KB articles documenting updates to Windows Vista. Many of these updates are already publicly available and have been released via the Microsoft Download Center or Windows Update. All of these updates are included in Windows Vista SP1. The full list of these updates can be read in Hotfixes and Security Updates included in Windows Vista Service Pack 1.
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