- QuickTime is required to view the videos. If it is not already installed on your computer: Macintosh users double-click on the "Quicktime Installer" icon located in the "Quicktime Installer" folder. PC users run the "QuickTimeInstaller.exe" file in the "QuickTimeInstaller" folder. - Set the monitor to a minimum of 16 bit (thousands of colors). 24 bit (millions of colors) is preferred. - Set the sound to 16 bit, stereo. - Quit out of all other programs before launching the Planet Architecture application. - Macintosh users can use the "extension manager" to turn off unnecessary extensions in order to increase available RAM if necessary.