Sometimes these updates add new features but theyre mostly either bug or stability fixes, or theyre security patches.

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Heres how you can check for, download, and install a macOS update.

It will not automatically download and install until you click the Update Now button.

Theres no set rule for it though the size isnt as big a concern as the installation time is.

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This is why you should only do this if you dont expect to use your Mac for a while.

The installation can take thirty minutes, sometimes even more depending on the size of the update.

The update screen features the Apple logo, and the loadingprogress bar accompanied by a time estimate for how long the update will take.

Remember that its an estimate and the time can increase or decrease as the update installs.

If you check for a software update again, it will tell you that your system is up to date, and also which version of the OS youre running.

You can set macOS to download available updates but not install them until you choose to.

If you know for a fact that a new update is available but it isnt being detected, restart your Mac and make sure your internet is working properly.

If an update has just been released, wait a few hours so that Apples servers are less busy.