For example, you cannot add or change REG_EXPAND_SZ or REG_MULTI_SZ values with Regedit.exe on a Windows NT 4.0-based or Windows 2000-based computer. You can use Regedit.exe to make some changes to the registry on a Windows NT 4.0-based or Windows 2000-based computer, but some changes require Regedt32.exe. Importing Registration Entries (.reg) files is a feature of Regedit.exe and is not supported by Regedt32.exe. This article is intended for advanced users, administrators, and IT Professionals.

Windows 7 Enterprise Windows 7 Professional Windows 7 Home Basic Windows 7 Home Premium Windows 7 Starter Windows 7 Ultimate Windows Server 2008 R2 Enterprise Windows Server 2008 R2 Datacenter Windows Server 2008 R2 for Itanium-Based Systems Windows Server 2008 R2 Foundation Windows Server 2008 R2 Standard Microsoft Windows Server 2003 Enterprise 圆4 Edition Microsoft Windows Server 2003 Datacenter Edition (32-bit x86) Microsoft Windows Server 2003 Enterprise Edition (32-bit x86) Microsoft Windows Server 2003 Standard Edition (32-bit x86) Microsoft Windows Server 2003 Web Edition Microsoft Windows XP Home Edition Microsoft Windows XP Professional Microsoft Windows XP Professional 圆4 Edition Microsoft Windows XP Tablet PC Edition Windows Server 2008 Datacenter Windows Server 2008 Enterprise Windows Server 2008 for Itanium-Based Systems Windows Server 2008 Foundation Windows Vista Business Windows Vista Enterprise Windows Vista Home Basic Windows Vista Home Premium Windows Vista Starter Windows Vista Ultimate Windows Server 2008 Datacenter without Hyper-V Windows Server 2008 Enterprise without Hyper-V Windows Server 2008 R2 Service Pack 1 Windows Server 2008 Service Pack 2 Windows Server 2008 Standard without Hyper-V Windows Vista Business 64-bit Edition Windows Vista Enterprise 64-bit Edition Windows Vista Home Basic 64-bit Edition Windows Vista Home Premium 64-bit Edition Windows Vista Service Pack 2 Windows Vista Ultimate 64-bit Edition Windows 7 Service Pack 1 More.

Remove files from computer registry