June 5 is the deadline to register to vote (or update your registration) for the June 30 Oklahoma Primary.
Use the new VOTER REGISTRATION WIZARD (BETA) to complete your registration online. Then print, sign, and mail it to your county election board. okvoterportal.okelections.us/Home/RegWizard
Download/print a voter registration application here: ok.gov/elections/docu
Update your voter registration address online (same county) here: ok.gov/elections/OVP.
Learn more about voter registration in Oklahoma here: ok.gov/elections/Vote