Mavericks Os X 10.9.x Dmg Portable -

You cannot simply double-click the DMG and upgrade a running system (that often fails with "This copy is damaged" errors). Instead, create a bootable USB.

: Minimum 2 GB of RAM (4 GB is recommended for better performance). Storage : At least 8 GB of available space for installation. Compatible Models : iMac : Mid 2007 or newer. MacBook : Late 2008 Aluminum or Early 2009 Plastic or newer. mavericks os x 10.9.x dmg