Choose Run on the dialog box that comes up. This allows your Mac to look for corrupted files and fix them. You’ll see this at the top of the screen menu. You can also press the Command + A keys on your keyboard at the same time. You can do this by opening a Finder window and clicking Applications in the left sidebar.
Click Continue on the prompts that follow. For example, if you’re on macOS Catalina 10.15.5, the Combo Update allows you to download macOS Catalina 10.15.7 without having to download 10.15.6. If you’re trying to install point releases (patch updates in between major software versions), try downloading the Combo Update of the software version you want. Then select the update you want to download. Finally, try downloading the update again.ĭownload the Mac Update from Apple’s Website. Release the Shift key when you see the Apple logo appear on your screen. Immediately press and hold down the Shift key on your keyboard. Then press the power button to turn your Mac back on. Once your Mac turns off, wait for 10 seconds. 
Click Shut Down on the dialog box that appears.It might take a long time for your computer to restart. You can also click More info to see what changes will be made with the update and if there are any system requirements, such as how much storage space you need to update your Mac. Note: If you want to install future updates automatically, check the box next to Automatically keep my Mac up to date. To find out how fast your WiFi connection is, check out our guide on how to test your WiFi speed. However, this is usually not very accurate, and it could take a long time, depending on your internet speed. You will see a countdown clock with the estimated time it will take to download the update in the window.
It might take a while for the progress wheel to stop spinning as your computer searches for an update.
Wait for your Mac to check for available updates. If an update is available, you might see a red badge icon in the top-right corner of the gear icon. Next, select Software Update.This is the menu option with the gear icon. If an update is available, you might see a notification in the drop-down menu. Click the Apple logo in the top-left corner of your screen. Once the update is finished downloading, click Download and Restart. Wait for your computer to find the update and click Update Now. Then go to System Preferences > Software Update. To update your Mac, click the Apple logo in the top-left corner of your screen.
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