Duplicate Sweeper can quickly find and remove duplicate files on your PC. The free program demo lets you scan your computer for duplicate documents, images, contacts, music and other files. The amount of duplicate files on your hard drive could come as a bit of a surprise, Duplicate Sweeper will show you these and let you choose which ones you wish to remove safely. The first step in using Duplicate Sweeper is to select which folders on your PC you wish the program to search for duplicates in.