Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
I decided to try updating my C2R Office, and it all went smoothly as usual.
No error messages, and ended up with Version 2407 (Build 17830.20138 Click-to-Run) as hoped for.
For what it's worth:
1. I'm on the "Current Channel", and
2. "Options, General, Privacy Settings, Turn on all connected experiences" is selected