I have upgraded my mac software to high sierra from el capitan. Homescreen display however is still showing el capitan. I check my software version, it is now 10.13.6. What went wrong?

I have upgraded my mac software to high sierra from el capitan. Homescreen display however is still showing el capitan. I check my software version, it is now 10.13.6. (1) What went wrong? Shouldn't it display the High Sierra screen? (2) I checked my update, it shows incompatible update iMovie 10.2.5. How do I instale/upgrade the iMovie then?

iMac 21.5″, macOS 10.13

Posted on Sep 17, 2021 7:59 PM

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Posted on Sep 17, 2021 8:16 PM

Upgrading your software from El Capitan to High Sierra does not necessarily change the desktop background that is displayed.

You can change the desktop background picture if you wish by right-clicking the desktop and selecting "Change Desktop Background..." OR go to System Preferences > Desktop & Screen Saver.


To update iMovie, launch the App Store app and select Updates from the list on the left.

You may have to log in to App Store with you Apple ID (click Store menu > Sign In) and look for previously Purchased apps.

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Question marked as Top-ranking reply

Sep 17, 2021 8:16 PM in response to imtwinkle

Upgrading your software from El Capitan to High Sierra does not necessarily change the desktop background that is displayed.

You can change the desktop background picture if you wish by right-clicking the desktop and selecting "Change Desktop Background..." OR go to System Preferences > Desktop & Screen Saver.


To update iMovie, launch the App Store app and select Updates from the list on the left.

You may have to log in to App Store with you Apple ID (click Store menu > Sign In) and look for previously Purchased apps.

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I have upgraded my mac software to high sierra from el capitan. Homescreen display however is still showing el capitan. I check my software version, it is now 10.13.6. What went wrong?

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