Do you have too many duplicate files (such as photo and mp2 song files) inside your PC? Too bad, since it waste your valueable hard drive space. Don't buy a new hard drive yet, just use Duplicate File Sweeper and get up to 50% extra hard drive space. Duplicate File Sweeper designed to be a very easy to use tool. It will scan and analyze your entire hard drive or selected folder, and display its result within seconds or few minutes. You can then select which dupliacte files will be deleted. This software supports Windows XP and Vista, also can be used and distributed for free.