NPV would require a Constitutional amendment, period.
If the amendment passed it would give the states with large populations complete power over who is elected. This is why the electoral college was written into the Constitution; to protect the vote of people in the less populated states.
The fascist democrats might, at some point, be in power to pass the amendment proposal but would have a hard time getting enough states to ratify it. It would end up like the ERA and the cheating socialists even gave that POS amendment twice the time to pass and it didn’t.
Democrats are socialists/fascists and the party should have been outlawed in 1865 when they lost their bid to dump the Constitution back then.
Several of the large population liberal controlled states have entered into an agreement whereby they will award their states’ electoral votes to the WINNER OF THE POPULAR VOTE, REGARDLESS OF WHO WINS THEIR STATE.......................