
Pirated software can often contains viruses and malware, so if you download macOS from anyone other than Apple, you might get more than you bargained for! Install macOS on a new partition macOS installers aren’t user-specific, so if you have a colleague, friend or family member who has previously downloaded this version of macOS, then they’ll be able to download the necessary installer for you.Įven if you’re struggling to download the correct installer, you should always avoid the temptation to download this version of macOS from any third party. If you want to install a version of macOS that you never downloaded from the App Store, then you’ll need to enlist the help of another Mac user. In the best case scenario, you’ll want to dual boot a version of macOS that you previously downloaded, as this means you’ll be able to re-download the installer from the App Store. If this is a newer version of macOS, then you can download the installer as normal, but if it’s an earlier version of macOS then things become slightly more complicated.

Next, you need to download the installer for the version of macOS that you want to install.

