I have Mac OS high sierra
when I click on software update, no higher version shows up under available updated. I have purchased Microsoft 365 but am unable to open it because it required a software update. Please help .
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 10.14 Mojave is compatible with the Macs listed here
➡️ macOS 10.15 Catalina is compatible with the Macs listed here
➡️ 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
❗️ – IMPORTANT – None of your 32-bit apps will work in macOS Catalina or newer.
32-bit app compatibility with macOS High Sierra 10.13.4 and later - Apple Support
Use the free utility Go64 to check the compatibility of your apps:
https://www.stclairsoft.com/Go64/
✅ - IF your Mac and apps are compatible, then using Safari only, download the macOS upgrade installer app:
Click > Mojave, Catalina, 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.
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 10.14 Mojave is compatible with the Macs listed here
➡️ macOS 10.15 Catalina is compatible with the Macs listed here
➡️ 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
❗️ – IMPORTANT – None of your 32-bit apps will work in macOS Catalina or newer.
32-bit app compatibility with macOS High Sierra 10.13.4 and later - Apple Support
Use the free utility Go64 to check the compatibility of your apps:
https://www.stclairsoft.com/Go64/
✅ - IF your Mac and apps are compatible, then using Safari only, download the macOS upgrade installer app:
Click > Mojave, Catalina, 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.
Do not see macOS updates under apps
