Windows Update can also be accessed in those versions of Windows by executing the control /name Microsoft. Windows XP, 2000, ME, 98: Windows Update is accessible via the Windows Update website through Internet Explorer.
See How To Check For & Install Windows Updates if you need more specific instructions.
Automatic Updates allows updates to be installed without having to go through a web browser, and it checks for updates less frequently than the Critical Update Notification tool. There exists third-party programs that can download and install Windows updates if you don't want to use Windows Update.
You can also set Vista to automatically install recommended updates, which can address non-critical problems and help enhance your computing experience.
Optional updates are not downloaded or installed automatically.
I appreciate the tutorial, very helpful for the most part, but it doesn't say anything about disabiling notifications for Automatic Updates.
I do of course run Windows Update manually regularly to keep updated but I prefer to do it manually so I have Automatic Updates turned off and thus want to keep Security Center from warning me all the time that Automatic Updates are turned off. I was looking up for this solution too and found it at Microsoft Support site (How to configure automatic updates by using Group Policy or registry settings). Locate and then click the following key in the registry: HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Windows Update\AU (You may have to create the keys Windows Update and AU) 2.Windows Update is a Microsoft service that's used to provide updates like service packs and patches for the Windows operating system and other Microsoft software.