Ask HN: How do you connect your M1 MacBook Air to your iMac? 2 pointslaunchiterate4 years ago3 commentsSaveHideCopy link On HNComments−willcate4yTo my knowledge that feature has long since been removed.https://support.apple.com/en-us/HT204592−uniqueuid4yYou can use mac-to-mac airplay, but it's only available on the latest version (beta) of Monterey and only if you're using a modern mac (which I assume your iMac is).https://www.apple.com/macos/monterey/features/−launchiterateOP4yTo use it as an external monitor.
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To my knowledge that feature has long since been removed.
https://support.apple.com/en-us/HT204592
You can use mac-to-mac airplay, but it's only available on the latest version (beta) of Monterey and only if you're using a modern mac (which I assume your iMac is).
https://www.apple.com/macos/monterey/features/
To use it as an external monitor.