Wyoming
Requirements
Be 18 years of age on Election Day;
Be a U.S. Citizen;
Be a resident of Wyoming and the precinct in which you register;
Provide your valid Wyoming driver's license;
If you do not have your current valid driver's license with you, you must provide the number and additional acceptable identification as noted below;
If you have not been issued a Wyoming driver's license or yours is expired, you must provide:
A statement to that effect (on the Wyoming registration application);
The last four digits of your social security number; and
Additional acceptable identification.
Not convicted of a felony, or if convicted, has had civil or voting rights restored;
Not be adjudicated mentally incompetent; and
Withdraw your voter registration from any other jurisdiction, if applicable (on the Wyoming registration application).
https://sos.wyo.gov/elections/state/registeringtovote.aspx
Voter Registration Forms
Online: N/A
Request Absentee Ballot: Call or send form to your county clerk as described here:
Election Info
ID Required: Yes
Same-Day Registration: No
Deadlines
New Voter Registration: October 19
Absentee Ballot request (The state already mailed absentee-ballot applications to all voters you can also download an absentee-ballot here.)
Application must be received by November 2
Absentee Ballots must be received by November 3