My Mac has macOS high Sierra version 10.13.6 and I think it needs update but nothing comes up when I select software update
iMac 21.5″ 4K, macOS 10.13
iMac 21.5″ 4K, macOS 10.13
You can upgrade up to Monterey.
You can upgrade up to Monterey.
You have to download the updates from the App Store.
My Mac has macOS high Sierra version 10.13.6 and I think it needs update but nothing comes up when I select software update