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By clicking on “Update Mac”, your Mac’s Software Update preference pane will open up. Here’s where things might get tricky for you. Pay attention to this:
A: “Upgrade Now” – if you click this, you will install the newest macOS. If you don’t want to do this yet**, then proceed to option B
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Clicking on “Defer” will give you a drop-down menu with four options:
- Later - the Nudge screen will close and reappear within a few minutes.
- 1 Hour - the Nudge screen will close then reappear in, well, an hour.
- 1 Day - the Nudge screen will close and reappear in 24 hours.
- Custom Choose a Deferral Date - a calendar will appear giving you the option to choose a specific date and time to be reminded
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