Regedit.exe uses .reg files to import and export registry subkeys and values. You can use these .reg files to remotely distribute registry changes to several Windows-based computers.

Open a Command Prompt window by typing “cmd” or “command prompt” in the Search box. Select Run as administrator. Next, you will generate the registry key value required for a device to be targeted for an in-place upgrade. At the command prompt, type the following: Press Enter.

You use the reg save command to export the registry key into a hive file. In this scenario, the reg save command does not compress the registry key during the exporting process. Therefore, the size of the hive file may be larger than expected. A hotfix is available to resolve this issue.

Explains how to back up the registry for restoration in case it gets corrupted in Windows 10, Windows 8.1, Windows 8, or Windows 7.

Fixes an issue in which help information is displayed when you use the Reg.exe utility to query some flags in Windows 7 SP1 or Windows Server 2008 R2 SP1. This issue occurs when you increase your control over security settings on the computer.

The Registry Editor allows you to change settings that are not exposed in the user interface, including system policies, installed applications, and the types of files that certain applications can open.

This article describes the command-line switches you can use when you run the MS-DOS version (Scanreg.exe) or the Windows version (Scanregw.exe) of the Registry Checker tool.

This article describes the Microsoft support policy for customers who use registry cleaning utilities that rely on unsupported methods to extract or modify the contents of a Windows Registry.

Start Registry Editor (Regedit.exe). Locate the key to be deleted by locating the key name created by the program. If the name of the key is not apparent, browse through each key and note the value for DisplayName. This is the viewable string in the Add/Remove Programs tool.

Learn how to optimize system performance by managing startup applications in Windows.