The operating system can be used on iMac(Mid 2007 or later), MacBook (Aluminum, late 2008) or (Polycarbonate, early 2009 or newer), MacBook Pro(Late 2007 or newer), MacBook Air (Late 2008 or newer), Mac Mini (Early 2009 or newer), Mac Pro (Early 2008 or newer). You will need to have a look at system requirements. Before you start the download of mac OS X Lion 10.7.5 DMG for your computer.