Here is a simple trick I like to use in Windows. Have you ever had a lot of windows open and needed to access an icon on your desktop? Instead of closing all the windows, you can access these icons from your taskbar. Simply right click on the Taskbar, go to Toolbars and check Desktop. Now you will have access to Desktop icons from the taskbar without having to close your windows. Simple but effective.
Edited: malexander on 23rd Jan, 2005 - 4:03pm
Another good window tip is related to security. When you walk away from any windows machine, simply hit alt+ L. this will lock the machine, you have to push ctrl+alt+del and type in your password or you cant get in! I use this a lot at work when I leave my desk.