You can register to vote until Oct. 28. Use this online tool: vote.nyc/page/register-vote
You can request an Absentee Ballot until 10/23 at Vote.nyc/absentee.
You can “vote early” for ten days before election day at particular early voting sites; look up where at findmypollsite.vote.nyc
On Election Day itself, November 7, 2023, polls are open between 6 a.m. until 9 p.m.
The Civic Matters Hub from Women Creating Change, a nonprofit that supports NYC women’s civic engagement also offers a valuable web site with a wealth of election information.