Increase Hard Disk speed in Windows 100% SAFE NO SOFTWARE REQUIRED

If you like to increase/optimize your Hard Disk I/O - read/write speed without buying expensive software utilities to do that job or changing the HD, just follow next steps. With doing these steps you will increase Hard disk speed (depends of manufacture and specification, but its worth to try). The most speed improvement is visible with IDE drives; In any case, it won't harm your system, so