How to upgrade to macos 11.5

❗️ Do NOT upgrade until you have made a Time Machine or other backup of your startup drive.

Learn How to Back up your Mac with Time Machine

How to Upgrade  macOS:

The macOS version you can upgrade to depends on the year your Mac was released.

Click the  (Apple) menu at the top of your screen and choose About This Mac.

Check the Compatibility of your Mac with newer versions of macOS:

➡️ macOS 11 Big Sur is compatible with the Macs listed here 

➡️ macOS 12 Monterey is compatible with the Macs listed here

➡️ macOS 13 Ventura is compatible with the Macs listed here

✅ - IF your Mac and apps are compatible, then using Safari only, download the macOS upgrade installer app:

Click > Big Sur,  Monterey  or  Ventura.

Once downloaded, double-click the “Install macOS…” app in the Applications folder to begin the upgrade.

Please see > How to download macOS.

macOS 11 Big Sur requires one of the Mac models listed here ➡️ macOS Big Sur is compatible with these computers - Apple Support

11.5 is no longer directly available. You can download 11.6 from the Mac App Store app, by using the link below:

https://apps.apple.com/us/app/macos-big-sur/id1526878132?mt=12