Harris only got 48.34%, so less popular vote than Trump. I was one of the 1.85% that voted for 'others', but still would have ranked Trump over Harris (this isn't so much a praise of Trump, just found him and Harris a couple of the absolute worst options), so it very well may be greater than 50% if you narrow those voters just to Trump and Harris, and absolutely over 50% if you discard their votes.

It's contested and speculative, but a reasonable projection of Trump V Harris gives >50% to Trump in a finall runoff for majority.