To install copy the program Install Mac OS X in the Programs folder and run. If you do not run the usual click on the installer, do not dragging him into the appstore and there to have a login, simply right-click klatsat, click "Show Package Contents" and go to Contents/SharedSupport/, run InstallESD.dmg that, and is installer.New features of the operating system:
Launchpad - Control (folder, desktop) and run your application in style iOS
Full screen applications
Mission Control - unified by a Dashboard and Expose, and becomes a control center application windows, desks and so on.
Gestures Animations - new multitouch gestures
Auto-Save - saving working condition even after you exit the system
Versions - Time Machine for documents - manage document versions in two mouse clicks
Resume - saves the state of your Mac after a restart, including all applications, websites and documents
Mail 5 - new e-mail client style iPad
AirDrop - Instant wireless transmission of documents
Lion Server - a server version is now built into Mac OS X Lion

Year: 2011
Version: 7.10 (11A390)
Developer: Apple Inc.
Platform: Intel Only
System requirements: Macintosh computer with an Intel processor

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