>who announces the official results?
Who Declares Winner in US Presidential Election?
"WASHINGTON - Many people assume the winner of the U.S. presidential contest is determined once the media calls the race and the losing candidate delivers a concession speech. But the truth is that formally declaring a presidential winner is a months-long process that won’t be completed until January. "
https://www.voanews.com/2020-usa-votes/who-declares-winner-us-presidential-election