IObit Smart Defrag 5.8.5 PRO (v188.8.131.525) Multilingual Smart Defrag 5 is light, and stable disk defragment tool designed for maximum hard drive performance. Based on IObit latest disk defrag engine and "Boot Time Disk Defrag" technology, Smart Defrag 5 not only provides defragmentation, like any typical disk defragmenter can do, but also intelligently streamlines your files based on using frequency, thus accelerating disk speed for faster data access! With the unique Deep Analyze technology, it smartly clean junk files before defragmentation to save more disk space for you. Being the first Disk Defragmenter that fully supports Windows 8/8.1 Metro Apps, Smart Defrag 5 works fast, automatically and quietly in the background and is a disk defragmenter suitable for large hard drives. What's new in Smart Defrag v5.8.5: + Enhanced defrag engine. + Improved operations for better user experience. + Optimized multiple languages. * Fixed known bugs. Operating Systems Supported Hardware - 1 GHz processor or faster processor - 512 MB of RAM - 200 MB of free hard disk space Homepage: Install Notes: - Install application - Register application with given serial. - Done, Enjoy.