Some Mac users may like to perform what is known as a clean install with OS X El Capitan. Basically, a clean install involves erasing the Mac drive and starting fresh with a new installation of OS X 10.11, and users who opt for clean installs usually rely on their own personal backups to restore their personal file and data. Select the hard disk type. After that, you clicked on the folder icon now in here select the image file of Mac OS X El Capitan and click the “Open” button. Select Mac OS X El Capitan ISO file. In this step, you are done with all the settings it is time to create a virtual machine for Mac OS X El Capitan.
- 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
- Create a bootable image from the El Capitan installer on a USB stick larger than 6GB. In a terminal run:
Can I Install Macos On External Drive
where MyVolume is the name of your USB stick. Change this to match the name of your USB stick.
- Physically install SSD into the target laptop.
- Insert the El Capitan USB stick into the target laptop and power up. (This might take a while.)
- When the menu finally turns up, choose Disk Utility and format the SSD as Mac OS Extended (Journaled) with a unique name.
- Once complete, exit from Disk Utility and return the main menu.
- Choose to Install OS X on the formatted SSD.
- Follow the prompts until El Capitan is installed.
Mac Os El Capitan 10.11 Download
Os X El Capitan Install
Here’s link to a video on how to physically install the SSD as well as run the software installation.
If you’d rather install Yosemite on the SSD then follow the How to Install Yosemite on a New SSD guide.