Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
I know this is a stupid suggestion as I'm typing it, but the person who fixed mine was called Vandana. I have zero idea how many people work on these lines, probably millions. But she/he took a long time trying various things and eventually figured it out, so ... if there AREN'T thousands of people, they can ask Vandana!