The Easiest Way to get some UI settings in XP

Windows 2000 Search
Download TweakUI for Windows XP
After installing TweakUI, go to Explorer Settings in TweakUI.
Select "Use classic search in Explorer (and Internet Explorer)".
Restart Explorer and Internet Explorer.

CTRL-ALT-DEL Login
Select "Classic Login" in the User Accounts Settings Window.
Go to Administrative Tools in the Control Panel.
Open up Local Security Policy, and select "Local Options/Security Options".
Scroll down to "Interactive Logon: Disable CTRL-ALT-DEL requirement..."
Select "Disable".

Windows NT 4.0 Startup Screen
Open "msconfig.exe"
Select "boot.ini"
Check the "/sos" command.
Click OK and reboot.