Once done, you’ll be presented with your new OS X desktop wallpaper. Once the entire process is done, your Mac will restart, and you’ll be led through a couple of more steps: activating iCloud, agreeing to the OS X Terms and Conditions, etc. It took a total of thirty-five minutes to install on an iMac, whereas it took only twenty minutes on a Macbook Pro. JPEGs converting with Image Processor script, 201 shooting raw files vs., 195. It’s comparatively easy but might take some time to install depending on your system. You’ll now be led through the entire process to install OS X. Once that’s done, close Disk Utility, and click on Install OS X. Carefully select your Mac’s system hard drive, and click on Erase in the top section. Select Disk Utility which will open up the app. You should be presented with a screen similar to the one below.Ĭhoose the El Capitan bootable disk, and you’ll be led to the following screen. Restart your computer, and while you hear the Apple startup sound chime, hold down the “Option” key on your keyboard.

Now it’s time to get to the actual install. Once done, you’ll be notified by Diskmaker X, and you’ll have your bootable disk on your screen in front of you.