Thank you for purchasing Colonization. To install the update use the following procedure: 1) Place the disk into the appropriate drive (A: or B:) 2) Change over to that drive (A: or B:) 3) Type: UPDATE C:\MPS\COLONIZE (This assumes that you are using the default drive and path for Colonization-- if you specified a different drive or directory during installation, please change the above command accordingly) The update will then install itself. If you have any other questions or concerns, please contact MicroProse Customer Service at (410) 771-1151 Monday through Friday 9am to 5pm EST.