Fresh Install El Capitan

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Fresh
  1. Download El Capitan installation from the App store. It might complain that you already have it installed but download it anyway. It will be downloaded to /Applications and be named Install OS X El Capitan.app
  2. Create a bootable image from the El Capitan installer on a USB stick larger than 6GB. In a terminal run:

where MyVolume is the name of your USB stick. Change this to match the name of your USB stick.

Check if your Mac is compatible with El Capitan. Check if your applications are compatible with El Capitan. Back up all your files. Create an installation key for El Capitan. Launch the “clean instal” of OS X El Capitan. Everything is ready? The time has come to get down to business and therefore install OS X El Capitan. Hello, I am fairly new OS X user so I did a lot of install, uninstalls and changed many things on the Yosemite. So I would like to to do a fresh install of El Capitan once it's released. What will be my best option to do it?

  1. Physically install SSD into the target laptop.
  2. Insert the El Capitan USB stick into the target laptop and power up. (This might take a while.)
  3. When the menu finally turns up, choose Disk Utility and format the SSD as Mac OS Extended (Journaled) with a unique name.
  4. Once complete, exit from Disk Utility and return the main menu.
  5. Choose to Install OS X on the formatted SSD.
  6. Follow the prompts until El Capitan is installed.

Clean Install El Capitan Terminal

Mac os el capitan install

Mac Os El Capitan Install

Here’s link to a video on how to physically install the SSD as well as run the software installation.

Install El Capitan Dmg

Clean

Install New El Capitan

If you’d rather install Yosemite on the SSD then follow the How to Install Yosemite on a New SSD guide.