You may preregister to vote on or after your 16th birthday, and may vote in any election occurring on or after your 18th birthday.[1] Exceptions to this right are set out in the Florida Election Code.

When you register, you must take an oath to defend the United States Constitution and the Constitution of the State of Florida[2] and fill out a registration application.[3] This information, and the step-by-step process, including online applications,  can be found at https://registertovoteflorida.gov/home.

In order to vote in primary elections in Florida, you must be a registered voter in the party for which the primary is being held;[4] a few exceptions apply.[5]

[1] § 97.041, Fla. Stat.

[2] § 97.051, Fla. Stat.

[3] § 97.052, Fla. Stat.

[4] §101.021, Fla. Stat.

[5] Fla. Const. Art. VI, § 5