Diskeeper is a fully automatic defrgmentation engine that replaces the standard Windows defragmenter which runs only manually, consumes high resoureces and rewquires full administrator privileges to operate. Diskeeper constantly monitors and maintains your systems maximum performance, using the fastest defrag engine. According to the National Software Testing Lab (NSTL) proven 300-500% faster and far more thorough than Windows built-in defragmenters. The program includes a unique `Set It and Forget It` functionality with Smart Scheduling, that, once set, runs invisibly and fully automatic in the background.