The value is contained in its key, and a key may contain values and subkeys. The relationship between keys and values is similar to that of folders and files. The registry has two basic elements: Keys and values. As a typical example, the configuration files of portable applications are usually held in their executables. But you should know that not all the Windows applications use the registry for configurations. That is to say, Windows will refer to the registry when you are trying to open a program or change hardware. It contains information, settings, options, and other necessary values for programs and hardware installed on Microsoft Windows. The registry, or Windows Registry, is a database that is used to store low-level settings for Windows operating system and most applications like device drivers, services, and so on.

Bonus Tip: Back up Your Computer Before Registry Clean.

Top 10 Free Registry Cleaner for Windows 10.

What’s more, you will learn about how to back up computer using MiniTool Partition Wizard to avoid data loss during registry clean. What is the registry? Why do I need to clean up Windows Registry? What are the best registry cleaners? You can find the answers in this article.

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