how to upgrade from macos high sierra to catalina

Sometimes a macOS update won’t download or times out because everyone is trying to download it at the same time.

If you see a message like ‘The network connection was lost’ your network is likely the problem.

Make sure that you have a good network connection – if your Wi-Fi is flakey then move nearer the router, or even better switch to ethernet if that is an option.

If there isn’t enough space things can go wrong and you might see a message like ‘macOS could not be installed on your computer’.

Make sure you have plenty of space – your Mac needs a lot of space available to unpackage the installer and install the update.

Here’s an explanation of the problems you might encounter – in most cases the best solution is to try again later. While you shouldn’t encounter problems if you have made sure your Mac is prepared for the macOS update and read How to get your Mac ready for macOS Ventura, it is possible you will encounter issues. MacOS Ventura brings a number of new features to MacsĪpple What to do if your Mac won’t update macOS We will explain what you need to do in that case below. If you want to update your Mac to Ventura from an older version of macOS the methods will differ because the update will be delivered via the App Store rather than Software Update.

Follow the onscreen instructions to finish installing the software update, which should take around half an hour to an hour depending on the spec of your Mac.

If you are ready to install click to install the new version of macOS – but beware that your Mac will be out of action for a little while as the software installs.

Once the installer has downloaded you should see a window pop up on your Mac asking you to start the install process.

It may take a while to download, especially if it’s very large and your network is slow.

While the installer is being downloaded you will be able to continue to use your Mac.Click on Upgrade Now to download the installer for the new version of macOS.Your computer will check for updates, and, if an update is there, will show that an update is available for your Mac.Open System Preferences or on the Apple logo in the top menu.

How to upgrade from macos high sierra to catalina