So it's a closed beta then. That's unfortunate, coming from Apple land where it's open to all. And where they actually update their devices for 5 years. Oh well, we tried. Guess I'll hang out and wait for the official release next year then. Cheers.
Turns out people are withdrawing leaving room for others and beta 3 was released in Korea yesterday so there may be a chance but will have to check back I did manage to get Android 10 it's awesome
When I saw the banner I went to settings-samsung members and clear data and the cache force stop opened the Samsung members app click the banner it says thanks for your interest back to settings-software update to manually update it and I had to double back to settings-software update and it was there and I downloaded it the new features are pretty cool though
OP has been updated with the following information:
Attached is the changelog for beta 4: