![]() Updated November 2020: Updated for the public version macOS Big Sur. If you're having trouble partitioning your hard drive, be sure to check out our forums for help! ![]() ![]() Any questions?ĭo you have any questions about installing a partition or downloading a new operating system onto a partitioned drive to test macOS? Let us know in the comments. If you're looking for a new Mac, check out our list of our favorite MacBook models of the year. If macOS Big Sur doesn't automatically install on your partitioned hard drive (if it installs macOS Catalina instead, for example), you can install it from your System Preferences in About this Mac.Īfter you have macOS Catalina installed, you can follow the instructions to download and install macOS Big Sur. Then, you can then install the macOS beta. If you are testing a beta version of macOS, you'll first install whatever the current version is. You may have to install an older version of macOS before updating it to the more recent version you want to run. This will install the latest available macOS onto the partitioned hard drive. This will take you to the Startup Manager and you can select your drive from there. You can also restart your Mac and press the Option Key when you hear the startup chime. This allows you to switch between OSes using the Startup Disk option.Ĭreating a partition on Mac showing the steps for Restarting Mac (Image credit: iMore) You can test Big Sur on your Mac without having to change anything on your daily driver by creating a volume that acts as a separate drive so you can install a completely different operating system. If your Mac uses APFS, Apple recommends creating a volume instead of a partition. You can manually select size limiters for a volume if you're worried about one drive overtaking another's space. You don't have to worry about running out of temporary space while installing macOS, for example, because it will grab the necessary space from your main drive and then put it back when it's done. This allows the volume the flexibility to grow or shrink in storage size as needed. What is an APFS volume?Īn APFS volume creates a similar container to be used the same way as a partition, but it mounts it within your main hard drive. If your Mac uses APFS, Apple recommends creating a volume instead. If you are running a Mac using HFS+ file system (prior to macOS Catalina) you must partition your hard drive. So, if you are running low on storage capacity on your hard drive, we don't recommend partitioning. Each partition will take up a portion of your usable storage. It is important to note that partitioning your hard drive also splits up your available hard drive space. Note: If you want to run Windows on your Mac, Apple's Boot Camp assistant will automatically make a partition for you. ![]() It makes it possible to run two separate operating systems on one device, like Windows and macOS, or two versions of macOS (like Catalina and Big Sur). Mac scripting expert (and author of the new book Moving to zsh) Armin Briegel has published a guide explaining how to roll back a new Mac that ships with Catalina to Mojave. If your older Mac doesn't include Software Update, you can find macOS Sonoma by searching for it in the App Store.Partitioning your Mac is basically splitting your hard drive into separate, usable systems. Luckily, downgrading a new Mac from Catalina to 10.14 Mojave is possible for models other than the 16-inch MacBook Pro and the 2019 Mac Pro. Or use Spotlight in your menu bar to search for “Software Update,” then open it from the search results. Or in earlier versions of macOS, choose Apple menu > System Preferences, then click Software Update. Click General in the sidebar, then click Software Update on the right. It's the fastest and easiest way to get macOS upgrades, and it might require less storage space to download and install.įrom the Apple menu in the corner of your screen, choose System Settings. Use Software Update to download and install the latest version of macOS Sonoma. Keep Awake Prevent your Mac from going to sleep or displaying the screen saver. Hide Desktop Icons Hide your messy desktop with one click. If you have an external storage device, you can use it to back up your Mac with Time Machine. One Switch is a little menubar app that gives easy access to a bunch of handy features, and it keeps all your powerful switches in one place. A full list of compatible models is also available.īefore upgrading, it's a good idea to make a backup. MacOS Sonoma is compatible with these Mac models.
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