This is a backup CD-ROM for Mouse Tamer 2 users. This CD-ROM is free with a shipping/handling charge. You must purchase a license code to use this CD-Rom beyond its trial. Software licenses for this program are purchased seperately. This backup CD-Rom is useful for people who are unable to download the program from the Internet or would like to store the program safely on CD-Rom in case the program needs to be reinstalled at a later date.