A. When you enable XP's Fast User Switching, you can switch among users without having to close any users' open programs. To switch users, you can
- Press the Windows key and L simultaneously.
- Press Ctrl+Alt+Del, click Shut Down, then select Switch User.
- From the Start menu, select "Log off", then select Switch User from the displayed dialog box.
All of the above options will take you back to the Welcome screen, where you can log on as another user.