upgrading high sierra 10.13.6
can i upgrade high sierra 10.13.6 to a higher level OS like big sur or higher?
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Back up your data, check your applications for compatibility, click here, and if your Mac model is recent enough, then on the download link for a newer OS. Mojave requires a 2012 or newer one, or a 2010 desktop Mac Pro upgraded with a Metal-capable graphics card.
Catalina and newer won't run 32-bit software; download and use Go64 as well as using the first link above.
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