Why do you have to click the Start button to shut down?

Short answer: The same reason you turn the ignition key to shut off your car. Long answer: Back in the early days, the taskbar didn't have a Start button. (In a future history column, you'll learn that back in the early days, the taskbar wasn't called the taskbar.) Instead of ...

Tweak UI 2.10

What are you talking about? Tweak UI is part of the Windows XP PowerToys. It was recently updated to version 2.10. What OS is required? Windows XP Service Pack 1 (or higher) or Windows Server 2003 (all versions). Not supported: Windows XP RTM, Windows...