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Best way to update from 10.12 to 10.15.7

T

tommiy

macrumors 6502
Original poster
Dec 11, 2015
420
128
Well Apple just replaced my machines logic boards and returned it with 10.12 on it. Whats the best and safest way to upgrade to 10.15.7? Can this be done in a single step using a USB installer? Would that be the best way?
 
tommiy said:
Well Apple just replaced my machines logic boards and returned it with 10.12 on it. Whats the best and safest way to upgrade to 10.15.7? Can this be done in a single step using a USB installer? Would that be the best way?
Click to expand...
You can just download the Catalina installer and run it without having to make a USB installer, or you can reinstall using internet recovery, although your computer may download Big Sur if it's compatible with Big Sur.
 
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