getting a new macair. Want to partition drive for two OS

Getting a new macair. Want to partition drive for two OS's - the latest, and High Sierra. Do I have to have a separate copy of each app on each partition?

Posted on Mar 3, 2021 6:24 AM

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Clean install of Sierra from Big Sur ? I just bought a used MacBook Air for live music performance ( "Core i7" 1.7 11" Mid-2013 ). It will basically be a single-purpose machine, repeatedly taking music plug-ins, files and settings from my studio production Mac and using them in a live (Ableton) environment. Since my studio Mac runs High Sierra (10.12.6) , to avoid any APFS complications I want to have my Air likewise running 10.12.6 ( it arrived loaded with Big Sur 11.7.1 , but was originally 10.8.4 ). My cautious question is, can I just fire ahead, go to the App Store and do a clean install of Sierra on my Air, or are there possible complications involved in going back to a pre-APFS operating system? (There are currently no files of my own on the machine, it's just out the box...)
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I have a Power Macintosh 7100/66 that is alomost 30 years old. I need to get files off of it. Any suggestions? I have a Power Macintosh 7100/66 that is alomost 30 years old. I need to get files off of it. Any suggestions?
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1 reply

KiltedTim

Level 10

228,870 points

Mar 3, 2021 6:30 AM in response to guhor88

You can't run High Sierra on a new MacBook Air.

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getting a new macair. Want to partition drive for two OS

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