Now you can download Windows Vista Service Pack 1 (SP1) via Windows Update or Microsoft Download Center. Windows Vista SP1 is an update to Windows Vista that addresses specific reliability and performance issues, supports new types of hardware, and adds support for several emerging standards.

How to install Windows Vista SP1?

You can manually check Windows Update on your Windows Vista for Windows Vista SP1. If Windows Vista SP1 is not listed, there could be several reasons. Here are the most common reasons:

* You have not yet installed all the prerequisite packages you need for Windows Vista SP1. Click “check for updates” on Windows Update control panel to install them, before you can install Windows Vista SP1.

* You have a pre-release version of SP1. You need to uninstall it before installing the final release of SP1.

* You already have Windows Vista SP1.

* Windows Vista SP1 released in 5 languages (English, French, Spanish, German, and Japanese). If you have ANY other language installed, SP1 will not yet be offered to you.

* Windows Update detected drivers that may be problematic when updating to SP1 and will not offer the service pack until an update has been installed.