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Level 1

5 points

iMac 2009 upgrade to Sierra or High Sierra?

I understood that High Sierra comes with a new file system and that this might pose a problem when working with a hard disk (none SSD)

I have a late 2009 iMac, DVD drive replaced for a SSD, which is now the system drive and 20G of memory installed. The original 1 TB hard drive is still present and used as an internal second drive.

The only reason I might want to upgrade this machine from El Capitan is because I want to start using Scrivener 3.

Scrivener 3 also works on Sierra.

Questions:

1) with this late 2009 iMac should I upgrade to Sierra or High Sierra?

2) Should I upgrade from El Capitan at all?

Thanks in advance for any advice.