As additional or removed devices are connected to the computer, the information may modify. HKDD (HKEY_DYN_DATA)- The key stored the dynamic status information and plug-and-play information and was only utilized in Windows 95, 98, and NT. HKLM (HKEY_LOCAL_MACHINE)- It works as a shortcut or pointer to a registry key that contains data about the hardware profile currently in use it doesn’t really save any information. HKU (HKEY_USERS)- It includes user-specific configuration data for each user who is currently logged on to the computer. One of the most commonly accessed and altered parts of the registry by users is this key and its subkeys. HKLM (HKEY_LOCAL_MACHINE)- This key contains information about drivers, Windows services, general OS settings, and programs that are launched automatically for each user. HKCU (HKEY_CURRENT_USER)- The user who is presently logged in-specific settings are kept here.

HKCR (HKEY_CLASSES_ROOT)- Provides configuration information for automation, including information about COM objects, Visual Basic programs, and data that links file types with specific programs. So let’s go into deep and know more about it.

When you open Registry Editor the first thing that appears is root keys that contain all registry values. You may view all of the registry’s keys and values with the Registry Editor. Registry Editor, commonly known as Registration Info Editor or Registration Editor, is the platform from which you can change the Windows Registry.

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