Launch a new Command prompt (Start > Run, cmd) and type systeminfo. Wait for a bit, and eventually it'll spit out a slew of useful information. You're looking for about the 10th line from the top, Original Install Date.
C:\>systeminfo
Host Name: xxxx
OS Name: Microsoftr Windows VistaT Enterprise
OS Version: 6.0.6001 Service Pack 1 Build 6001
OS Manufacturer: Microsoft Corporation
OS Configuration: Standalone Workstation
OS Build Type: Multiprocessor Free
Registered Owner: xxxxx
Registered Organization:
Product ID: xxxxxx-xxx-xxxxxxx-xxxxxx
Original Install Date: 11/9/2008, 9:00:50 PM
…
It actually does say "Microsoftr" and "VistaT", because obviously a random "r" or "T" tacked onto a word is just as clear as (r) or (TM).
Tags: Microsoft, Tips, Vista, Windows, XP




