For a limited time, Raxco Software is offering a special edition of their popular disk-defragmentation utility PerfectDisk Free Defrag at no cost. With time and usage your computer data storage disk gets fragmented and thus needs defragmentation, a defragmented computer will not only work at best possible speeds but also boot quicker. PerfectDisk is the world's leading disk defragmentation and optimization utility, PerfectDisk software's are used not only used in homes but at enterprise level for their safety and reliability. Unlike other disk defrgemteation utilities PerfectDisk uses there patented file placement strategy called SMARTPlacement for best results.