This is a "just for info" post. Microsoft this week have lifted all the blocks for the 20H2 upgrade for W10. This means that the upgrade is available to everybody with a machine that has compatible hardware and more importantly, wants to do the upgrade. I believe this rollout started a couple of days ago.
Note that it isn't a necessary requirement at the minute to do this, and is probably better if you delay for a while until any bugs that weren't sorted through the insider release(s), are. As said, the post is just FYI.
You will find it in Settings\Update & Securit