install os x el capitan on external drive

(Download from App store but make a copy of it before you install it as the Apple Installer deletes it after you use it.) Download and keep a copy of the ‘Install OS X El Capitan’ App.If you want a way that is slightly longer but easier for beginners download and run Diskmaker which does the steps below for you automatically! How to make a bootable El Capitan Installer. It is the quickest way but it uses the terminal so it is for advanced users. Once the installation and setup is completed, you’ll be able to boot between your primary installation and the new one containing the beta software.Here’s how to make a bootable installer of El Capitan on a USB Thumbdrive. Once the installation completes, go through the normal OS X setup process to complete the initial setup. The installation does take some time, like a normal installation, so just be patient. Once it reboots, the installation will proceed on your new partition. Step 12: If requested, input your administrator password Step 11: Click Continue → Agree → Agree → Show All Disks… and select your El Capitan disk and click Install Step 10: Launch the OS X 10.11 El Capitan installer. Step 8: Click Apply and click Partition to create your partition. Step 7: Ensure the Format is Mac OS Extended (Journaled). Step 6: Name your new partition El Capitan, or whatever you see fit. I used 35GB, and was fine, as OS X El Capitan only takes around 12-13 GB for installation Step 5: Resize the partition using the drag handles to the desired size.

Step 4: Click the ‘+’ sign to create a new partition. Step 3: Select your hard drive and click the Partition tab.

Step 1: Download the beta software you want to install. In this post, we will take the example of installing a beta version of OS X El Capitan, but note that the concept is the same regardless of what you are trying to install on that new partition. Creating a different disk partition to install beta software

Install os x el capitan on external drive