[quote]How do I now download Media Composer 8.4.0.[/quote]You'll need to find someone who has that installer for you.

[quote]...the latest version of AVID is NOT compatible with Apple's M4 chips. Is that correct?[/quote] The latest versions of MC are qualified for M4 Apple Silicon, see the current version matrix .

You could also consider downloading a trial version of the current build of MC, which would let you try that for 30 days. You'd probably be better off upgrading your OS to Win 10 for that. But that may be wise anyway, as 8.8.5. was also qualified for Win 10 Pro/Enterprise.

The free MC First will not let you work with bins from your paid version, nor vice versa. Hopefully somone can provide you with the installer for 8.8.5.

Try deleting Site Settings.

Mixing down would clip off all metadata, though.

Place them into a sequence, adjust their speed using Timewarp, then subsequence each take/version, and do an autosync on those subsequences?

When you say it doesn't work, what actually happens? And are you using File-Import Media or are you linking to the file?

In your OSX Display settings, are the monitors arranged correctly? I think the FSD position is calculated from the top left corner of the left side display. Alternatively, have you tried trashing the Site Settings (at Finder level)?

Probably the better way to do this in MC is to use alt/opt+C (or alt-ctrl-C), which loads your selection into the source monitor. From there you can patch the tracks (or have auto-patching do that for you), and either overwrite or insert from the source side into the sequence. Or a quicker method, to use segment select (red or yellow arrow), and use