You can download Twenty Twenty theme from WordPress.org
This website is owned and operated by Philip Gledhill, a freelance web developer. He has no connection or affiliation with WordPress or Automattic.
However the WordPress team, Automattic and the owner of this website do share at least one thing in common…
We are passionate about making the web a better place.
(Quote from Automattic.com )
The Twenty Twenty theme is built & maintained by WordPress
I built this site to promote Twenty Twenty theme, but I didn’t design the Twenty Twenty theme…
The Twenty Twenty team is @anlino as design lead, @ianbelanger taking charge of development, and @poena representing the Theme Review team.
I think they did a great job, don’t you?