The old-school reg.exe command-line registry editor command is no longer available in Windows 7 (though you could try to copy it from an XP installation over and see if it runs).
Fixing Windows errors, tweaking Windows features, or completely removing a program can sometimes require you to edit the Windows registry. This page provides help with opening and viewing the Windows registry, editing, and deleting registry values.
In this article, we'll explain how to register in Windows 7 and access the registry easily and securely. Step-by-Step Guide: How to Access the Windows 7 Registry If you need to make changes to your Windows 7 computer's settings, you may need to ac