Time Machine makes it simple, and other backup methods are also available. Before installing any upgrade, it’s a good idea to back up your Mac. If your Mac isn't compatible with OS X El Capitan, the installer will let you know. OS X El Capitan (10.11) on Unsupported Macs macOS Extractor and MacPostFactor are apps that guide you through patching and installing OS X El Capitan (10.11), Yosemite (10.10), Mavericks (10.9), or Mountain Lion (10.8) on your older Mac. In order to start fresh, you’ll need access to a functional computer running Mac OS X Snow Leopard 10.6.8 or later. UniBeast is a tool that creates a bootable installer out of your downloaded version of OS X. ContentcopyThis file is hosted at free file sharing service 4shared. Install OS X El Capitan.app which will be in your Application folder. Double-click on that and an installation window will open, this will convert InstallMacOSX.pkg to the. When that has downloaded open it and you will get InstallMacOSX.pkg. Download link from urldecrypt, direct link under maintenance. Follow these instructions, At Section 4 download InstallMacOSX.dmg.

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