I can't find the system update icon on system preferences page?

Hi wmerritt,

Go to the Apple Menu (top left) > About This Mac > Software Update.

If you list your current macOS version, and Mac year, I can tell you what updates you need.

Cheers,

Jack

wmerritt Said:

"I can't find the system update icon on system preferences page?"

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Updating your iMac:

Use the link provided atop this post.

Important:

Back Up the Mac: Prior to installing updates,. start by creating a Time Machine backup of your Mac, so that you can have something to restore your Mac from, should anything go wrong with the update.