Latest Security and Service Pack Information
Windows NT 4.0 Workstation Resource Guide
Windows NT 4.0 Server Resource Guide
Interpreting BugCheck (STOP) Codes
MSDN Library (A Wealth of Technical Articles)
Windows Product Lifecycle Dates
Microsoft Help and Support Search Engine
Registry Database - detailed explanations of the keys, values and data entries of the registry
CLSID and Startup Programmes Lists - an extensive listing of CLSID of Windows components and a list of programmes known to make themselves 'autostart' on your system.
Bear Windows - useful information on many aspects of varying versions of Windows including NT 4.0
Alter - additional drivers to improve NT 4.0 performance and additional information.
Off-Line Password Editor by Petter Nordahl-Hagen - allows you to reset the Admin password if you lose it without having to reinstall the whole OS. (FREEWARE)
SIV - System Information Viewer by Ray Hinchliffe - provides FULL reporting of virtually every aspect of a PC system hardware and Operating System.(FREEWARE)
KeyFinder by Magical Jelly Bean Software - allows you to recover a lost CD Key for an NT installation from the machine on which it is running. (Use V1.51 for NT4 - later versions don't currently support NT4.0) (FREEWARE)