Through these cleaners, you can also clean temporary files, backup files, and web browsers data (cookies, cache, history, etc.).

Still, for novice users, I have included the steps to clean registry in the description of each software. The process to clean registry is quite simple in all these cleaners. After that, you can easily clean registry data. After selecting the types of registry data, you can scan and find all the registry files associated with the selected registry data types. Registry data that you can select and remove through these cleaners are ActiveX/Com, Application Info, Program Location, Invalid System Key, Invalid Entries, and more. In most of these cleaners, you get a dedicated registry cleaner section that lets you select and remove various types of registry data.

Although, you can also access and edit the source code of these cleaners, unlike closed source registry cleaners. These open source software work similarly to standard registry cleaner software. To remove all the unnecessary or temporary registry entries, you can use these open source registry cleaner software. Over a period of time, a large number of low-level settings get accumulated that slows down system performance. Registry is a hierarchical database that stores Windows low-level settings associated with drivers, kernels, services, etc.

Here is a list of best free open source registry cleaner software for Windows.

Registry cleaners windows 10