Microsoft's Hidden Files 1
Desc: A good read on Windows hidden files
Credit: The Riddler
Microsoft's Hidden Files 2
Desc: A continuation of the tut above, explores more of the hidden files in windows, very useful.
Credit: The Riddler
Untold Windows Tips and Secrets
Desc: Some very cool windows tricks.
Credit: Ankit Fadia
Win 9x Gaming Modem Tweaks
Desc: This tut talks about tweaking your win9x modem
Credit: Zeus