Win PC Clean up is a program that helps clean up all the junk off your computer. With this application you are able to speed up the processing power of your PC and clear up all the unwanted junk files. Try it out today and you will notice a dramatic difference in the speed of your computer. Win PC Clean up is a program that helps clean up all the junk off your computer. With this application you are able to speed up the processing power of your PC and clear up all the unwanted junk files. Try it out today and you will notice a dramatic difference in the speed of your computer.