#MACOS MOJAVE VS CATALINA HOW TO#
#MACOS MOJAVE VS CATALINA INSTALL#

But How to dual boot between Mojave and CatalinaĪfter Catalina is installed, you can switch between Catalina and Mojave using the Startup Disk system preference. If you wish to bring over your data, settings, or even apps to see how they’ll work in Catalina, simply select the Volume where Mojave remains. The installer will give you the option of migrating data and applications from another Mac. Follow the prompts to finish installing Catalina on your new Volume. Do not select the Volume where Mojave is installed, unless you want Catalina to overwrite Mojave.Ħ) The installation process will begin.

#MACOS MOJAVE VS CATALINA INSTALL#

How to install Catalina on a second Volumeġ) Download the Catalina installer from the Mac App Store.Ģ) Double-click on the Catalina installer.ģ) Click Continue, click Agree and click Agree again.ĥ) Select the new Volume you just created.

With the new Volume created, you’re on to installing Catalina. To create a Catalina volume on your Mac, follow these steps.ġ) Double-click on Disk Utility in the Utilities folder.Ģ) Select your Mac hard drive from the sidebar.Ĥ) Name your new APFS volume and click Add. How to create a new Volume on a Mojave Mac You can read more about what this means in this explainer. TIP: Catalina takes advantage of the new APFS volume structure its own way, by creating a read-only system volume. So make sure to clear up hard drive space if you need to before installing Mojave and Catalina together. APFS replaces HFS+, which had been the Mac’s file system since the “classic” Mac days – itself built on an even older protocol.ĪPFS supports logical drives called Volumes, which use the same storage container where free space is available. This is much more efficient than the old method, so long as you have sufficient storage to accommodate more than one installation. The new file system is much more robust and thoroughly optimized for modern hardware and specifications, with an eye towards solid state storage like the SSDs.

You can do this because Mojave uses APFS, which makes it easier to reconfigure your hard disk or SSD.ĪPFS was first introduced to the Mac with the release of macOS 10.13 High Sierra in 2017. That way you can continue to operate in Mojave with Mojave-compatible apps when you need to, then reboot into Catalina to get used to the new OS. If your apps haven’t been updated to run on macOS Catalina but you wish to enjoy the new features of Catalina, one solution is to install Catalina on the same Mac as Mojave, but in a different Volume. Great if you need to use apps that won’t run on Catalina, but still want to use what Catalina has to offer. You can run Mojave and Catalina on the same Mac in a dual boot setup and without reformatting or repartitioning your Mac’s storage thanks to APFS, the file formatting system that Apple made ubiquitous with Mojave’s release.

Macos mojave vs catalina