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Level 1

4 points

This software is not supported on your system.

I have 10.11.6 but am trying to install 10.13

iMac, OS X 10.11

Posted on Sep 11, 2022 2:21 AM

Top-ranking reply

Level 10

195,485 points

Posted on Sep 11, 2022 2:24 AM

sandhya1954 Said:

"This software is not supported on your system.: I have 10.11.6 but am trying to install 10.13"

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About Updating a Mac:

Read the following...

Determining which Update(s) will Install:

I. Verify Compatibility:

B. How to Verify:

I. Reveal your Model:

What is the Model of your Mac? To find out...

then...

II. Compare the Results:

See if the Model you found is shown here:

III. If Compatible:

Back Up your Mac First: Be certain you Create a Time Machine Backup of your Mac, so that way you can have something to restore your Mac from, should anything go wrong with the reconfiguration.

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