Don’t let a slow computer spoil your work or fun! Let O&O Defrag optimize your hard disks and you can experience speed increases of up to 100%! Regular disk defrag optimizes your PC performance! When you defragment, the files that Windows splits up when saving documents across the hard disk are logically put back together again so that files can be quickly recognized and found by the read and write heads inside your hardware. Speed increases of up to 100% are not uncommon, and your hardware suffers much less wear and tear!