WinMend Registry Defrag is a free registry defragmentation and cleanup tool. It can rebuild registry index safely and clear waste registry space to make it easy for Windows and other applications to find data more efficiently. As Windows registry is re-organized, you will enjoy much improved operating system performance. This tool is safe, reliable, and simple to understand and use. You will be reminded to reboot your computer and installation.

Download the latest version here >>> WinMend Registry Defrag 1.39

Source: WinMend Registry Defrag - Free windows registry defrag software.