Since your queries are more of a technical nature, I have moved your post over to Glitches.
I believe that the game controls are a combination of mouse and keyboard.
I seem to recall someone here with Windows 7 having trouble installing the game from the disc due to copy protection issues - but that may depend on which version of the game you have.
You could also choose to download and play the game from GOG
here. It supports Windows 7 and eliminates any possible copy protection issues.