He tried to do it through Ukraine, the DOJ, the courts, the military, the mechanism for the transfer of power and finally the mob.
He flagged what he was going to do before the election happened. Then he did what he said he was going to do. He attempted to undermine and do away with the election result. He is still doing it.
The missing ingredient for President Bonespurs was that, personally, he's a coward. He didn't dare do the last little bits required that would have exposed his own neck. He ALWAYS passes the risk to the fools that follow him.
Other than that, you would have a dictatorship.