Unfortunately, not all Macs can support MacOS Sierra, so check to see if your device is in this list: You can find out how to get your Mac ready here. Make sure you save all of your important files, images, etc. Getting readyīefore you rush into the installation of this new OS, there are a few things to take care of. Just as you would when upgrading to a new version of iOS, you need to back up your data. However, I am going to show you both methods: how to upgrade and how to complete a clean install.
Does it have problems at start-up, crash or issues with shutting down? If you can answer yes to any one of these issues, a clean install is a must for you! If right now you’re wondering why bother with the clean install, consider whether your Mac is running slower than it used to.
