Windows Reg Add Command

Syntax for the Microsoft Windows reg add command, which can be used to add entries in the Windows Registry:

C:\>reg add /?

REG ADD KeyName [/v ValueName | /ve] [/t Type] [/s Separator] [/d Data] [/f]
        [/reg:32 | /reg:64]

  KeyName  [\\Machine\]FullKey
           Machine  Name of remote machine - omitting defaults to the
                    current machine. Only HKLM and HKU are available on remote
           FullKey  ROOTKEY\SubKey
           ROOTKEY  [ HKLM | HKCU | HKCR | HKU | HKCC ]
           SubKey   The full name of a registry key under the selected ROOTKEY.

  /v       The value name, under the selected Key, to add.

  /ve      adds an empty value name (Default) for the key.

  /t       RegKey data types
           [ REG_SZ    | REG_MULTI_SZ | REG_EXPAND_SZ |
             REG_DWORD | REG_QWORD    | REG_BINARY    | REG_NONE ]
           If omitted, REG_SZ is assumed.

  /s       Specify one character that you use as the separator in your data
           string for REG_MULTI_SZ. If omitted, use "\0" as the separator.

  /d       The data to assign to the registry ValueName being added.

  /f       Force overwriting the existing registry entry without prompt.

  /reg:32  Specifies the key should be accessed using the 32-bit registry view.

  /reg:64  Specifies the key should be accessed using the 64-bit registry view.


  REG ADD \\ABC\HKLM\Software\MyCo
    Adds a key HKLM\Software\MyCo on remote machine ABC

  REG ADD HKLM\Software\MyCo /v Data /t REG_BINARY /d fe340ead
    Adds a value (name: Data, type: REG_BINARY, data: fe340ead)

  REG ADD HKLM\Software\MyCo /v MRU /t REG_MULTI_SZ /d fax\0mail
    Adds a value (name: MRU, type: REG_MULTI_SZ, data: fax\0mail\0\0)

  REG ADD HKLM\Software\MyCo /v Path /t REG_EXPAND_SZ /d ^%systemroot^%
    Adds a value (name: Path, type: REG_EXPAND_SZ, data: %systemroot%)
    Notice:  Use the caret symbol ( ^ ) inside the expand string


Text version (from Windows 10)


Windows Reg Query Command
Windows Reg Delete Command


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