MacBook Pro (Retina, 15-inch, Early 2013)
I want to upgrade to Catalina (it won't do Big Sur). Can this be done and how
I want to upgrade to Catalina (it won't do Big Sur). Can this be done and how
You can find a link to the macOS 10.15 Catalina installer within this Apple article which also includes instructions for creating a bootable macOS USB installer.
https://support.apple.com/en-us/HT201372
A bootable macOS USB installer gives you more options in case something goes wrong during the upgrade.
Make sure to have a good backup before attempting to upgrade macOS.
You can find a link to the macOS 10.15 Catalina installer within this Apple article which also includes instructions for creating a bootable macOS USB installer.
https://support.apple.com/en-us/HT201372
A bootable macOS USB installer gives you more options in case something goes wrong during the upgrade.
Make sure to have a good backup before attempting to upgrade macOS.
Hi Nick,
Welcome to Apple Support Communities. We understand that you would like to upgrade your MacBook Pro to macOS Catalina.
Your MacBook Pro is compatible so you can upgrade. Try searching the App Store for Catalina. If found, you can download it directly from there. If not, you can also download from here - Download macOS Catalina 10.15.5.
Take care.
MacBook Pro (Retina, 15-inch, Early 2013)