Jonah Patel
The Windows Registry is a centralized configuration database for Windows NT and Windows 2000, as well as for applications. The Registry in Windows 8 and 7 stores information about tuning parameters, device configuration, and user preferences. The files that make up the registry are stored in the %systemroot%/system32/config directory. The location of these registry hives are as follows: HKEY_LOCAL_MACHINE\SYSTEM : \\system32\\config\\system. The primary tool in Windows 8 and 7 for working directly with the registry is Registry Editor. To access it, simply type Regedit in the Start Menu Search Bar and hit Enter.
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What You'll Learn
Registry files are stored in %systemroot%/system32/config
The Windows Registry is the centralized configuration database for Windows NT and Windows 2000, as well as for applications. The Registry in Windows 8/7 stores information about tuning parameters, device configuration, and user preferences. On disk, the Windows Registry isn't simply one large file but a set of discrete files called hives. Each hive contains a Registry tree, with a key that serves as the root (i.e., starting point) of the tree. Subkeys and their values reside beneath the root.
The files that make up the registry are stored in %systemroot%/system32/config and consist of:
- SAM - HKEY_LOCAL_MACHINESAM
- SECURITY - HKEY_LOCAL_MACHINESecurity
- SOFTWARE - HKEY_LOCAL_MACHINESoftware
- SYSTEM - HKEY_LOCAL_MACHINESystem & HKEY_CURRENT_CONFIG
- DEFAULT - HKEY_USERS.DEFAULT
- Ntuser.dat - HKEY_CURRENT_USER (this file is stored in %SystemRoot%Profiles%username%)
There are also other files with different extensions for some of them:
- .alt - Contains a backup copy of the HKEY_LOCAL_MACHINESystem hive. Only System has a .alt file.
- .log - A log of changes to the keys and values for the hive.
- .sav - A copy of the hive as it looks at the end of the text mode stage in setup.
The Registry Editor is the primary tool in Windows 8/7 for working directly with the registry. To access it, simply type 'Regedit' in the Start Menu Search Bar and hit Enter. The Registry Editor window is reminiscent of Windows Explorer, and it works in a similar way. The left side of the window is similar to Explorer's Folders pane, except that rather than folders, you see keys. The right side of the window displays the settings contained in each key.
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HKEY_LOCAL_MACHINE\SYSTEM : \\system32\config\system
The Windows Registry is a database that stores configuration settings and options for the operating system and installed applications. It is a complex and multifaceted environment, hosting a myriad of components and settings that work together to deliver a seamless user experience.
One of the most crucial parts of the Windows environment is the Windows Registry, which is organised into five primary hives, each corresponding to specific types of data. One such hive is HKEY_LOCAL_MACHINE (HKLM), which plays a pivotal role in system configuration. It is perhaps the most significant of all the Registry hives because it contains settings and data essential for the system's operation. It acts as a central repository for configuration information applicable to the local machine, regardless of who is logged in.
HKLM holds crucial information regarding the hardware on a computer, including drivers and device settings. For instance, the subkey HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServices stores information about each installed driver and its configuration. When an application is installed on a Windows machine, it typically registers itself within HKLM. Its subkey under HKEY_LOCAL_MACHINESOFTWARE contains vital information like installation path, version, and configuration options.
The HKEY_LOCAL_MACHINE\SYSTEM : \system32\config\system file is a Windows Registry file. It is a system file and part of the Windows Registry hive. It is located in the %systemroot%/system32/config directory. The Windows Registry isn't simply one large file, but a set of discrete files called hives. Each hive contains a registry tree, which has a key that serves as the root of the tree. Subkeys and their values reside beneath the root.
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Registry Editor allows users to create a backup
The Windows Registry is a centralized configuration database for Windows NT and Windows 2000, as well as for applications. The Registry in Windows 8/7 stores information about tuning parameters, device configuration, and user preferences. The files that constitute the Windows 8/7 registry are stored in the %systemroot%/system32/config directory and include SAM, SECURITY, software, system, default, and Ntuser.dat files.
The Registry Editor allows users to create a backup of the Windows Registry or its hives. It is always a good idea to back up the registry before making any changes to it, so that you have the option of restoring it if something goes wrong. To create a backup using the Registry Editor, follow these steps:
- Open the Run box, type "regedit", and hit Enter to open the Registry Editor.
- To back up the complete registry, open Regedit, select "Computer", and right-click on it.
- Select "Export".
- Give the file a name and set a location where you want it saved.
- The complete registry backup will be saved as a .reg file.
Alternatively, to back up only a part of the registry:
- Navigate to the Registry key or Hive that you wish to back up.
- Click "File" > "Export".
- In the Export Registry File dialog box, select the location to which you want to save the backup copy.
- Type a name for the backup file in the "File name" field and click "Save".
It is important to note that Windows also automatically saves the registry every time a system restore point is created, whether automatically or manually. This backup can be found in the RegBack folder. However, Microsoft now recommends using System Restore to restore your system rather than relying on Registry Backups.
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.Reg files can be used to change settings in the registry
The Windows Registry is a database feature in the Windows desktop and server OSes used to configure and organise settings on the Windows device for users, installed software, and hardware devices. The registry files are located in the %systemroot%/system32/config directory and consist of SAM, SECURITY, software, system, default, and Ntuser.dat files.
The Registry Editor (Regedit.exe or Regedt32.exe) is the primary tool in Windows 11/10/8/7 for working directly with the registry. Regedit.exe uses .reg files to import and export registry subkeys and values. .Reg files can be used to change settings in the registry by adding, modifying, or deleting registry subkeys and values. For example, to change the file association for a certain file type so that it opens with a specific application.
To make changes to the registry and export your changes to a .reg file, follow these steps:
- Click "File", then click "Export".
- In the "File name" box, type a file name to use to save the .reg file with the original registry items, and then click "Save".
- In the right pane, add or modify the registry items you want.
- Repeat steps 1 and 2 to export the subkey again, but use a different file name for the .reg file.
- You can use this .reg file to make your registry changes on another computer.
To restore registry subkeys, double-click the Registration Entries (.reg) file that you saved in the Export registry subkeys section. You can also restore the whole registry from a backup. It is important to note that serious problems might occur if you modify the registry incorrectly, so it is recommended to back up the registry before making any changes.
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Regedit can be used to open the Registry Editor
The Windows Registry is a centralized configuration database for Windows NT and Windows 2000, as well as for applications. The Registry in Windows 8/7 stores information about tuning parameters, device configuration, and user preferences. The files that constitute the Windows 8/7 registry are stored in the %systemroot%/system32/config directory and consist of SAM, SECURITY, software, system, default, and Ntuser.dat files.
To open the Registry Editor, you can use the "Regedit" command. This is the primary tool in Windows 11/10/8/7 for working directly with the registry. To access it, simply type "Regedit" in the Start Menu Search Bar and hit Enter. Alternatively, you can use the keyboard shortcut Win+R to open the Run dialog box, then type "Regedit" followed by Enter.
If you find yourself opening this tool often, you can create a shortcut on your desktop by right-clicking, going to New > Shortcut, typing "Regedit," and pressing Next and then Finish. In some Windows versions, you can drag the shortcut onto your taskbar for quicker access.
It's important to note that manual changes to the Windows Registry occur in the Registry Editor, and it is recommended to be cautious when making any changes. If you are unfamiliar with the Registry, it is advised to avoid making any changes manually. Instead, consider using a registry cleaner to clear out orphaned registry entries.
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Frequently asked questions
The files that constitute the Windows 8/7 registry are stored in the %systemroot%/system32/config directory and consist of:
- SAM - HKEY_LOCAL_MACHINESAM
- SECURITY - HKEY_LOCAL_MACHINESecurity
- SOFTWARE - HKEY_LOCAL_MACHINESoftware
- SYSTEM - HKEY_LOCAL_MACHINESystem & HKEY_CURRENT_CONFIG
- DEFAULT - HKEY_USERS.DEFAULT
- Ntuser.dat - HKEY_CURRENT_USER (this file is stored in %SystemRoot%\Profiles%username%)
Windows Registry files are database files that store Windows settings, application settings, and other vital information in the Windows operating system.
The Windows Registry files are located in the Windows\System32\Config folder. For example, if Windows is installed on drive "C," the files can be found by navigating to C:\Windows\System32\Config.
The Registry Editor is a built-in tool in the Windows operating system that allows users to view and edit the registry. It can be accessed by searching for "Regedit" in the Start Menu Search Bar and hitting Enter.
.Reg files are files with the .
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