If you are not a registered voter in Tennessee, you MUST register to vote by 5pm Monday February the 6th!!!!
Check your voter status here: https://tnmap.state.tn.us/ voterlookup/
Voter registration form here: http://www.tn.gov/sos/ election/forms/ss-3010.pdf
You can register in person at any Election Commission office (locations here) only: http://tnsos.org/elections/ election_commissions.php