same issue here, have deleted and installed again but still nothing. I foolishly paid for the pro version, waste of money that was
after hours and hours i figured it out.
got to plugins, search for “classic editor”, deactivate it. boom
searched for ages and no answers, simple fix when you know how.
ive got exactly the same issue, did you manage to resolve this?
it looks like the wordpress addition isnt working properly. There is no option to start a new page with gutenberg, there is no dropdown.