Xtreme 4 can be installed on windows 7 by altering the compatibility mode prior to installing.
- Insert your CD within your drive and select to explore the CD.
- Right click on the RunCD.exe and select properties
- Select the Compatibility tab
- Enable the check box Run this program in compatibility mode for and select Windows Vista from the drop list.
- Click on Apply and then right click on RunCD.exe and select to run as administrator