Q: Can I upgrade Mountain Lion 10.8.4 To El Capotan
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Sep 6, 2016 7:58 AMby Eric Root,HelpfulYou can upgrade to El Capitan.
Check to make sure your applications are compatible.
Applications Compatibility (2)
El Capitan 10.11 Compatibility information
Also check to make sure there is a compatible driver for your printer.
Do a backup before installing, preferable 2 backups on 2 different drives.
Go to the App Store, sign in, and in the right column under Top Free, El Capitan is listed. Download the installer. Once it is downloaded, it will open and guide you through the steps for installing. The computer will restart and complete the installation, which takes awhile. It is a fairly straight forward process. It may ask you for your Apple ID and password to set up iCloud. If you don't know them, you can skip this step, and sign in later.
