How to get rid of sunburn and be tanned quickly?

Not possible: You can't speed up the recovery from a sunburn. It will take several days. For a quick tan, you can try spray tanning. It's safer than tanning in the sun.

Needs to heal.: Keep sunburn cool with moist cool/cold compresses. Avoid alcohol containing products. Break off pieces of aloe vera plant & apply sap to skin. Consider Acetaminophen to reduce pain. Don’t yank off peeling skin or burst blisters. Seek medical care for severe pain, fever, lack of improvement of symptoms within several days or if a large surface area is blistered. Spray tan is safer than burning.