1. Use the link below to go to the Microsoft Update site:

http://www.update.microsoft.com/microsoftupdate/v6/default.aspx?ln=en-us

2. Once there, open the file menu, and arrow to, send, and hit enter.
3. In the resulting sub-menu, select shortcut to desktop, and hit enter. The resulting shortcut is named, Microsoft Update, but you can rename it to, Windows Update.
4. Now you have a shortcut, that you can move to the start menu.