Three coats is all you need to apply onto your nails. Dip the brush into the bottle containing the nail polish and spread it out onto the nails in one stroke. Try this out. Starting from the left of the nail going towards the right of the nail and then the centre part just brush it off. Your nail paint will get applied properly.
Make sure you apply a base coat always on your nails. Choose a bottle of nail paint that goes with your outfit or even if its a daily summer wear. It should look good on you. A tutorial for the same will give you detailed description about how to paint your nails for the first time. Go slow if its your first time. Don’t rush into it but gradually you will start understanding how exactly its done. Follow the tips mentioned above and you will be able to achieve success in your work.