Check that you are eligible for TSA PreCheck
Complete the online application on the TSA PreCheck website or through an enrollment provider
Pay the application fee
Schedule an in-person appointment at an enrollment center
Bring required identification documents to your appointment
Provide fingerprints and have your photo taken
Wait for your application to be processed
Receive your Known Traveler Number if approved
Add your Known Traveler Number to your airline reservations and frequent flyer profiles