In order to view the movies that are included on this CD, QuickTime(TM) Video for Windows is required. The slide shows on this CD still work without QuickTime, but the movies are the BEST part. Included on the CD is the most rescent version as of the time of the time that this CD was created. The instructions for manual installation are in the \QTW directory of the CD in the file README.TXT. During the installation the WIN.INI and SYSTEM.INI files are modified. They are saved to WIN.B4C and SYSTEM.B4C before any modifications are made to them, in case you need to revert to them.