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Apple Computing Products:
macOS - Operating System
Big Sur
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<blockquote data-quote="NSMacGuru" data-source="post: 1875953" data-attributes="member: 402209"><p>Not to blow my own horn, but I consider myself to be on the "expert" side of the Macintosh world. I've been with Apple since before there were Macs. I own several, including iOS devices, desktops / laptops, My daily driver is a 2018 (2017 model) 27" iMac custom configured with an i7 chip and midrange graphics card upgrade, and 24gigs of RAM.</p><p></p><p>I offer this information to give weight to this: I still use Mojave 10.14.6.</p><p></p><p>Catalina was 'waaay too buggy to bother with an upgrade. And Big Sur still looks to present more potential hazards than benefits. I may well upgrade to Big Sur, but not until they get to the .4 or higher version number.</p><p></p><p>SO - let me ask you: Why do you want to upgrade to Big Sur, particularly on a five-year-old Mac? I wouldn't consider doing it myself with 8gigs of RAM either, but I may have more pressing performance needs than do you.</p><p></p><p>Since you're on Catalina, I guess moving up to Big Sur is the easiest route to get off that OS and on to something (hopefully) more stable. (If you did not have that option, I would recommend a downgrade to 10.14.6 on that age of a machine).</p><p></p><p>And as chscag above notes: No way in heck would I do a major OS upgrade, particularly one that is a major switch in terms of filesystem and innards, without at least one good backup, either Time Machine or Clone.</p><p></p><p>YMMV.</p><p></p><p>Good luck!</p></blockquote><p></p>
[QUOTE="NSMacGuru, post: 1875953, member: 402209"] Not to blow my own horn, but I consider myself to be on the "expert" side of the Macintosh world. I've been with Apple since before there were Macs. I own several, including iOS devices, desktops / laptops, My daily driver is a 2018 (2017 model) 27" iMac custom configured with an i7 chip and midrange graphics card upgrade, and 24gigs of RAM. I offer this information to give weight to this: I still use Mojave 10.14.6. Catalina was 'waaay too buggy to bother with an upgrade. And Big Sur still looks to present more potential hazards than benefits. I may well upgrade to Big Sur, but not until they get to the .4 or higher version number. SO - let me ask you: Why do you want to upgrade to Big Sur, particularly on a five-year-old Mac? I wouldn't consider doing it myself with 8gigs of RAM either, but I may have more pressing performance needs than do you. Since you're on Catalina, I guess moving up to Big Sur is the easiest route to get off that OS and on to something (hopefully) more stable. (If you did not have that option, I would recommend a downgrade to 10.14.6 on that age of a machine). And as chscag above notes: No way in heck would I do a major OS upgrade, particularly one that is a major switch in terms of filesystem and innards, without at least one good backup, either Time Machine or Clone. YMMV. Good luck! [/QUOTE]
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Apple Computing Products:
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