Drift an RC Car

Drifting an RC car is much easier than a real car. But, the type of car you have is critical.

Steps

Buy an RC car, preferably an electric one. Most people start drifting with a Tamiya TT-01, which is cheap and reliable. Nitro (gas) cars can work too, just cut extra holes to make sure the engine gets cooled sufficiently. A 4WD on-road car is a must.(No buggies, truggies or trucks)
Choose tires. You can get special tires (Yokomo, HPI, Tamiya, etc., etc.) make your own or wrap your tires in electrical tape.
Go out in an open space.
Drive forwards and build up speed.
Turn sharply and floor the throttle.
Follow through. The car should now be sliding. Steer into the slide and use the throttle progressively to control the slide.
Power out of the slide.
Practice, Practice, Practice!

Practice makes perfect. You'll have to practice to get the car to slide for more than a few seconds.
Start with 0 type courses, slowly to progress to figure 8 and donuts
Be very delicate with the controls. Slight movements can make a big difference.
Use purpose-built drift wheels if you can.
Pretend that you're driving a real car. That way you will be more on the ball and more precise on turns.

If you use tape it does come off around five days. The PE tires last about 18 months.