Collect a mixture of equal amounts of green and brown ingredients in a bin. The mixture must make a layer at least 2 feet tall. A larger pile is even better. It will help retain the heat and moisture better. Mix the ingredients thoroughly, and water it as you mix. Over time, as the microbes begin to work on the compost, it will warm up. Turn the compost with a pitchfork every couple of weeks. When the mixture does not warm up anymore, stop turning the heap around, and leave it undisturbed. Always ensure that the heap is moist and aerated. Turning the pile aerates the compost.