You can regedit with either hotkeys or a mouse, but the utility has several command-line options for basic registry work. Command-line options and syntax for regedit.exe The default version of regedit in the latest versions of Windows can open both 64-bit and 32-bit registry keys for backward compatibility. Microsoft released its first 64-bit Windows Server version with Server 2008 and its first Windows client 64-bit version with Windows 8. reg file to restore the original settings. If a problem occurs, you can double-click on that. Use the export function in the regedit File menu to make a backup of the entire registry or just the section you plan to edit. It also includes several command-line options.ĭue to its importance to the Windows operating system, you should export a backup of the registry in case you need to recover from a problem. The regedit registry editor is a GUI-based tool that displays the hierarchical layout of the Windows registry. Right-clicking in the different sections let you add a new key, modify an existing one or delete a key. You can also run a search from this menu. From the Edit menu, you can create a new entry in the registry, check the permissions for the selection, delete or rename the selection, or copy the key name. You can import or export registry subkeys and values from the File menu. Regedit gives a visual representation of the Windows registry, using a dual-pane layout with the root keys and subkeys in the left pane and the values for the selected key or subkey in the right pane. To start, type regedit from the Windows run or search box. Regedit is the GUI-based tool built into Windows for editing the Windows registry. html files to open with Google Chrome rather than Microsoft Edge, you can adjust those settings in the file extension area of the Windows registry. One common Windows registry edit is changing the file association for a certain file type so it opens with a specific application. Oftentimes, Microsoft will direct administrators to mitigate a pressing security issue in Windows by modifying subkeys in the registry by adding new registry values - also called data entries - or modifying or existing ones. This root key holds hardware profile information the machine calls during system startup.īelow each key can be multiple subkeys and values. HKEY_CURRENT_CONFIG (shortened name HKCC).This root key holds all the actively loaded profiles for users on the machine. Data in this root key relates to configuration information for the computer or any user. HKEY_LOCAL_MACHINE (shortened name HKLM).This root key holds data related to the user currently using the machine, including the user's folders and screen colors. HKEY_CURRENT_USER (shortened name HKCU).This root key tells Windows what application to use when you want to open a certain file type. HKEY_CLASSES_ROOT (shortened name HKCR).The registry in the latest versions of Windows has a default of five predefined keys: One benefit to the registry is to reduce issues from faulty program updates that corrupted configuration files. The registry replaced the need to use configuration files in application folders. The registry is a Windows OS database feature used to configure and organize the information related to settings for the operating system for the users, installed software and hardware devices. Back to basics: What is the Windows registry? Regedit is one of the oldest tools, but Microsoft provides several more options, including the command-line utilities named reg and regini, PowerShell cmdlets and the Group Policy administrative tool. There are several utilities and techniques to make registry changes. There are times when a simple addition to the registry can fix a stubborn problem to save you from having to reinstall an application, or modifying an existing registry key can ward off an emerging threat until Microsoft deploys an official patch to plug the vulnerability.
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