The registry is a Microsoft Windows technology that stores data in a flatfile text database that through read / write operations can be interacted with to keep software and operating system settings (such as user data and hardware information) and variables as well as store recently used items for applications or the operating system. The registry can get very big if you use or try a lot of different software and should be optimized if you find your system running slowly. The registry can be edited manually by users using an application in Windows called Regedit, however manual edits to the registry should only be made by advanced users or those very familiar with the registry.

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