How to do a clean install of OS X El Capitan. Apple on Wednesday released OS X El Capitan as a free upgrade and as a result, lots of Mac users are busy upgrading their desktop and notebook computers. As with OS X Lion, OS X Mountain Lion, OS X Mavericks and OS X Yosemite, Apple makes it easy for users to install the upgrade by downloading El Capitan from the App Store and running the installer.

In the Windows' analogy, this is like reformatting your Macbook or iMac and reinstalling a brand new version of Mac OS X Mountain Lion. Unfortunately in Mac the.

See also: Apple OS X El Capitan review: A more refined Mac experience. For most users, this is the best way to upgrade because it means your existing programs and data remain where they are. Sometimes, however, you don't want to do a regular OS upgrade. Honeywell Wireless Programmable Thermostat Cmt927 Installation. Maybe you want to start fresh or maybe you need to install El Capitan on a machine that doesn't already have OS X installed. Hobbit Battle Of The Five Armies Extended Edition Scenes From 50.

LOW $549.77 shipped! Airport Extreme Bluetooth Wireless Access Webcam! El Capitan Capable: MacBook Pro Core 2 Duo $. Perform a Clean Installation of macOS High Sierra. Now while installing macOS High Sierra, Sierra or El Capitan on VMware or VirtualBox then we don’t need.

For those users, the best bet is to do a clean installation, erasing the hard disk and installing from scratch. If you want to do a clean install of OS X El Capitan on your Mac — or on a new hard drive — you can do it, it just takes a bit of work. If you've gone through the clean install processes in the last few years, these instructions will look familiar. With a little time, it's relatively easy to create a bootable copy of OS X El Capitan that you can run from a USB stick or other drive.

The important bit is that once it has downloaded, it will try to install. Don't click anything that allows the installation to proceed, just quit the installation and.

Note: A clean install will erase all of the contents on your disk drive. Make sure to back up your important files, settings and apps before proceeding. After the Install. After installing OS X El Capitan, you can start restoring your programs and settings using either a Time Machine backup or Migration Assistant.