9 Things to Do Before Installing macOS Catalina 10.15.7
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9 Things to Do Before Installing macOS Catalina 10.15.7

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This is what you need to do before installing macOS Catalina on your Mac. This will make the process go faster, smoother and if you do run into any problems, you will be better prepared to solve them. You should do this before installing the macOS 10.15.7 update, even though it is a smaller update than the initial Catalina upgrade.

This guide focuses on what you need to do before installing macOS Catalina or if you are already on it, the macOS Catalina 10.15.7 update.

macOS Catalina is a huge upgrade, akin to iOS 14, and you shouldn’t install this without taking some steps to prepare yourself or your Mac. This macOS 10.15.7 update does focus on bug fixes and a few small features, but it is still important to prep.

If you are still on macOS Mojave, this update also adds tons of new features that allow you to use your Apple Watch and your iPad with your Mac in new ways.

Read: How to Fix macOS Catalina Problems

Here’s your game plan of what you need to do before you install macOS Catalina on your Mac at home or at work. This will help you avoid issues and fix problems that you may run into. This is what you need to do before you install macOS 10.15.7;

  1. Learn About macOS Catalina
  2. Decide If You’re Upgrading or Doing a Clean macOS Install
  3. Backup Your Mac
  4. Make Sure You Know Your Passwords
  5. Research macOS Catalina Feedback
  6. Prepare Yourself for macOS Catalina Problems
  7. Check App Reviews, Compatibility and Install Updates
  8. Talk to IT Before Installing
  9. Learn About the macOS Catalina to Mojave Downgrade Options

Keep in mind that this will take a while to install. We’re in the process of calculating that time, but you can expect to spend at least an hour downloading and installing if you are on macOS Mojave, and at least 30 minutes if you are on Catalina already.

Learn About macOS Catalina

Learn About macOS Catalina

The macOS Catalina update is full of features, and it's a very important step in expanding the macOS ecosystem to better use the iPad and the Apple Watch. This is a guide to the most exciting new macOS Catalina features that are a part of this update.

The macOS 10.15.7 update includes the following fixes;


  • Resolves an issue where macOS would not automatically connect to Wi-Fi networks
  • Fixes an issue that could prevent files syncing through iCloud Drive
  • Addresses a graphic issue that may occur on iMac (Retina 5K, 27-inch, 2020) with Radeon Pro 5700 XT

We will also see a list of security updates in this, which are disclosed on this security page.

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