It depends. If you have the CD (read the backside if it is usable for your computer), just put it in and go "start" > "Computer" > "(E:)" (the game should be shown there)
It should then start up and ask you to install.
If you do not have the CD: look for a demo of it, but I am not sure if there is any demo given out for this game. Or just buy it.
Answers & Comments
It depends. If you have the CD (read the backside if it is usable for your computer), just put it in and go "start" > "Computer" > "(E:)" (the game should be shown there)
It should then start up and ask you to install.
If you do not have the CD: look for a demo of it, but I am not sure if there is any demo given out for this game. Or just buy it.