Depends on how you measure things. Trump did not receive a majority of all possible votes, nor did he receive a majority of all votes that were cast. He did receive a plurality of votes that were cast.
But then again the oldest trick in the authoritarian‘s playbook is to abandon the path of democracy by tilting the scales in their party’s favor. which is why you want strong independent institutions and separation of powers in a democracy, something the current administration does not appear to be in favor of.
If we had a wanna-be dictator president, and the vast majority of people despised that, there's a pretty clear path to recovery.
Here, it is not so clear.