Optimization and defragmentation
O&O Defrag Free Edition x64 merges fragments that were created while Windows was saving files. Merging them increases your computer’s performance considerably.
O&O Defrag x64 activates the hidden performance of your computer and packs file fragments efficiently and securely together. O&O Defrag gives you everything from fully automated defragmentation to a professional set up: everything a good defragmentation software should give you.