Learn about Windows® 7 registry settings
What are registry settings in Windows 7 system? What all settings do Windows 7 registry stores?
The registry is a database that consists of all the information related to your system hardware, user profiles, system settings, and softwares which are installed on it. Whenever you are making any changes on your system, that is, when an entry is added, removed or modified within the registry all these get added in your registry. You need to constantly refer to the registry in order to install different entities of your system including the Operating System or applications on your system and to carry out their functions. Windows 7 allows the users to edit registry entries to customize system settings. Before editing the registry you need to backup the registry. You can perform this from the Registry Editor utility or also by using a Windows 7 compatible registry tool. In order to start the Registry Editor, you need to go to Start, and then select 'Run' and type 'regedit' to open the Registry Editor window.
The following are the settings that Windows 7 registry stores:
The HKEY_CLASSES_ROOT key is one of the important key in the Windows registry, and it maintains all of the file extensions in Windows. The HKEY_CLASSES_ROOT controls the programs that are associated with each file type and the extension descriptions. The HKEY_CLASSES_ROOT key includes the application specific variable that describes how the computer should deal with each type of file.
For the user who is currently logged on gets the full configuration information from HKEY_CURRENT_USER. This key is sometimes abbreviated as 'HKCU'. The HKEY_CURRENT_USER stores screen colors, Control Panel settings and user's folders. The configuration information will be related with the user's profile.
The HKEY_LOCAL_MACHINE consist of the details about the local computer system which includes hardware and Operating System data. This includes a bus type, device drivers, system memory and startup control parameters.
All the data which are user specific that are required by the Operating System and some applications are kept by Windows NT HKEY_USERS registry hive including screen saver, event sounds, folder view preferences, fonts, and the list of recent Start/Run entries. HKEY_USERS key is a set of keys that represent all the user names created on the system. There is also a .DEFAULT key under HKEY_USERS that consist of the settings that is used when a new user is created. Also HKEY_USERS is abbreviated as 'HKU'.
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