NEED TO SOFTWEAR FOR DELET/UNINSTALL FILES

For example agar hum koi software install karty ho or usko uninstall kar dety ho tu kabi kabi kch files hoti hai jo properly delete nhe hoti bazahir tu app completly softawre ko uninstal kar ke mutmain hty hai magar uske pechy jo files reh jati hai wo amoman pc speed slow kar deti hai ya kch or ..... too unko detct kar k delete kar dey.............