Installing QuickTime Player 7 Summary Learn about installing QuickTime Player 7. Products Affected Mac OS X 10.6 , OS X Lion , OS X Mountain Lion , QuickTime 7 (OS X) A Mac OS X v10.6, OS X Lion, and OS X Mountain Lion-compatible version of QuickTime Player 7 is available for use with older media or with AppleScript-based workflows. QuickTime Player 7 can be used to playback formats such as QTVR, interactive QuickTime Movies, and MIDI files. Also, it supports QuickTime 7 Pro registration codes for access to QuickTime Pro functionality. To install QuickTime Player 7 on Mac OS X v10.6 Snow Leopard Insert your Mac OS X v10.6 Snow Leopard Install DVD. Open the Optional Installs folder. Double-click "Optional Installs.mpkg". Select the QuickTime 7 option. Click Continue. QuickTime Player 7 will be installed in your Utilities folder. To install QuickTime Player 7 on OS X Lion and OS X Mountain Lion Download QuickTi...