Option-Command-R upgrades to the latest macOS that is compatible with your Mac.Command-R restores the latest macOS that was installed on your Mac without upgrading to a later version.When initializing macOS Recovery, the following key combinations will allow you to install different macOS versions: This will allow you to choose which versions of macOS you want to install on your Mac.* If you encountered issues downloading the Mac OS from the App Store, you can restore your operating system through macOS Recovery. After the OS has been downloaded, click Install. Click Continue to confirm that you want to install software that is already on your computer.ħ. Click Download (you won’t be charged for reinstalling apps).Ħ. Look for your operating system from the list of purchased apps.ĥ. Click on the Purchased tab in the Mac App Store window.Ĥ. Click on the Apple icon in the upper left corner of your screen.ģ. SEE THE BEST PRICES ON NEW MACS ON AMAZONġ. These options include restoring your OS from the Mac App Store, restoring it through macOS Recovery, restoring it via Internet Recovery Mode, and lastly, hooking up your machine to an external drive with a bootable version of your Mac OS. What’s even better is there are four ways to restore your operating system, so there are always backup options in case one didn’t work. To learn more about backing up your Mac, go here. Some OS restoring techniques will delete your hard drive. Restoring your Mac OS is pretty simple even for those who have limited computer troubleshooting knowledge.īefore you attempt any upgrades to your operating system or any software in general, backup all your files. While that may sound a little ominous, there’s no reason to panic. But sometimes issues are so severe you may have to completely restore your Mac operating system. Sometimes problems can be remedied by running a couple of tools. Sometimes freezes and slow performance can be fixed by simply restarting your Mac. No matter how reliable your Mac, every once in awhile we encounter some problems.

Macbook a1181 recovery mode