stuck on finding update
Ios Catalina 10.15.7, trying to upgrade to Big Sur..... system is stuck on 'finding update'
iMac
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Does the computer have the Latest Version of macOS 10.15 Catalina and has installed all the latest Security Updates for Catalina ?
If so, until Apple Issue any more updates to Catalina - there is not more available from Apple.
Now, if the user meant an upGrade to a newer version of macOS, that is a very different matter.
The Age of this computer will Govern what newer version of macOS it will Qualify to install. Use About this Mac from the Apple Icon on Desktop - the required Information will be there.
With the above information in-hand - follow this How to get old versions of macOS and verify what version this computer Qualifies to install. For Best results use Safari to commence the download as Others may not work.
Safari will open a redirect and open the Apple Store where the download can commence.
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