Registration should be able to be done at your local polling station no matter what state you live in.
Voting machines should be abolished and paper ballots should be the standard.
DMVs should be open the day of/before and fully staffed w/ free public transit to ensure everybody can get identification if a state requires it for voting.
Allow more people the time/opportunity to vote and we'll see better elections as a result.
Also btw make sure you're registered and go out and vote.
Making election day a national holiday would never, ever, ever happen. Sorry. It would increase the amount of people who will show up to vote for democrats.