![]() ![]() ![]() Follow the guidelines from the on-screen instructions, and you can compete the installation process. Choose a startup disk, and click "Install".The macOS Utilities screen will load, and you need to select "Reinstall macOS", and then click "Continue".The startup will take longer, because macOS recovery is loading. Immediately start holding Shift + Option + Command + R. Shut down Mac, and then power on your computer.Remember, you need a backup before starting the process, as it will erase your startup disk. All you need is fast internet connection. Assuming you have an older Mac, on which you already had a macOS 10.14 or older installed, you can use the macOS Recovery tool. You can use this method as long as you didn't buy a new Mac with the latest version of the macOS. There are a couple of ways you can downgrade macOS 10.15, and we will explain all of them. ![]() You can do that by creating a partition, and one Catalina on one partition, and Mojave on the second partition. No, you will lose all of the files you've added to your Mac since upgrading to macOS 10.15.Īnother option for considering is running two versions of macOS on your Mac. It is much better to try another software for a backup.ĭo not just assume that once you downgrade to an older version, your files will be saved. If not, we strongly advise you to make a backup now, but not using Time Machine. Hopefully, you have made one before upgrading to Catalina in the first place. The first thing you need to do before downgrading is created a backup of your Mac. What you need to know before downgrading macOS 10.15 Before you download and install macOS 10.15, back up your current version. Well, all of that can be prevented with a backup. It might seem impossible, but your hard drive might fail, you might lose some important photos, or even the worst, accidentally delete an invaluable file. You do not want the worst to happen to you. If that is the case, you should immediately downgrade from macoS 10.15 to macOS 10.14. If your Mac is not compatible with the newest version, you can expect some issues. First, check whether the issues are related to compatibility problems. If you notice problems when you update your Mac from Mojave to Catalina, you might want to consider downgrading. For example, Catalina does not support 32-bit apps, and if your favorite app does not have a 64-bit alternative, you might need to wait for a compatible version. Or, you might rely on an application that is incompatible with the new operating system. Others, however, cannot handle the crashing of third party software, problems with drivers, issues with plug-ins, and so on. Some people are patient enough and can handle a few bugs here and there until the official and bugs-free version. The answer to this question depends on your patience. Do you really need to downgrade macOS 10.15? But if your main Mac is the one you upgrade, and then you cannot handle the buggy version, you need to downgrade macOS from 10.15 to an older version. If you have multiple Macs, and you use one for testing a new OS, you are in luck. You can expect some bugs in a beta version of a new operating system, and even in the new operating system. The difference is, Apple gives you an option to easily downgrade macOS 10.15 to an earlier version. That is the case with Apple's operating systems, Windows operating systems, Android operating systems, and more. Whenever a new product hits the market, it is rarely perfect.
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