The game doesn't install from the CD - Setup complains about an NT system.
Grab the SS2Tool from
Here and then drag the SHOCK folder from the CD to somewhere (eg. C:\Games\Shock) run the SS2Tool and point the install to the same DIR and done! They updated the tool the other day to also add the latest patch stuff.
I've been playing the last 3 hours, man I love this game but damn is it hard! but then again most games from pre-2000 were hard when we go back to them after having our hands held so much in modern gaming