First, prep your nails. Check out the full tutorial to see all of the steps in this process. Once prepped, trim nails, cuticles, and dead skin around nails.
The gel polish needs something to grip onto, so it's best to scuff up your nails a bit with a fine grit nail file. That will extend your at home gel manicure by a week at least.
Brush on a 2nd light coat of the same color followed by curing under the UV light. See the full post for tips on how to paint your nails neatly & how to remove oopsies.