This hierarchical database contains windows settings, application settings, device driver info and user passwords. When an application is installed, some part of the software is stored in the registry file, also known as regedit.exe.īefore making any changes to the registry file, it is important to back up the entire registry database. Windows Registry is one of the key components of the Windows operating system. This article is for Windows 10 users learning how to create a regedit.exe file for editing or settings backup.You should take a backup of the Windows Registry file before making any changes otherwise, you risk losing all your settings.You can make edits to this file to customize your operating system to suit your preferences.