Updating os software mac updating a valentine 1
You might find that things are quicker if you move from a Wi Fi to a wired connection.
If you haven't even got past the download stage there are a few things to try.
Pre-Mojave, you may be able to fix a stuck update by going to the Mac App Store, finding the software you are downloading, and pressing Option/Alt.
When you do so you should see the option to Cancel the download.
They are now accessed via System Preferences Software Update, where previously they were downloaded via the Mac App Store.
If you want to stop the download, you can click on the x that appears beside the bar that shows the download progress, as shown in the screenshot below.
For example, you can find the latest mac OS updates here.