REG SAVE KeyName FileName /y /reg:32 | /reg:64 KeyName ROOTKEY\SubKey ROOTKEY HKLM | HKCU | HKCR | HKU

REG SAVE KeyName FileName [/y] [/reg:32 | /reg:64]

  KeyName    ROOTKEY\SubKey
    ROOTKEY  [ HKLM | HKCU | HKCR | HKU | HKCC ]
    SubKey   The full name of a registry key under the selected ROOTKEY.

  FileName   The name of the disk file to save. If no path is specified, the
             file is created in the current folder of the calling process.

  /y       Force overwriting the existing file 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.

Examples:

  REG SAVE HKLM\Software\MyCo\MyApp AppBkUp.hiv
    Saves the hive MyApp to the file AppBkUp.hiv in the current folder

REG LOAD KeyName FileName /reg:32 | /reg:64 KeyName ROOTKEY\SubKey (local machine only) ROOTKEY HKLM | HKU SubKey The key ... REG Operation Parameter List Operation QUERY | ADD | DELETE | COPY | SAVE | LOAD | UNLOAD | RESTORE | COMPARE | EXPORT | ... REG QUERY KeyName /v ValueName | /ve /s /f Data /k /d /c /e /t Type /z /se Separator /reg:32 | /reg:64 KeyName \Machine\]FullKey ... REG RESTORE KeyName FileName /reg:32 | /reg:64 KeyName ROOTKEY\SubKey (local machine only) ROOTKEY HKLM | HKCU | HKCR | HKU ... REG SAVE KeyName FileName /y /reg:32 | /reg:64 KeyName ROOTKEY\SubKey ROOTKEY HKLM | HKCU | HKCR | HKU | HKCC SubKey The ... REG UNLOAD KeyName KeyName ROOTKEY\SubKey (local machine only) ROOTKEY HKLM | HKU SubKey The key name of the hive to unload. ... Register application as a protocol handler. The command line takes a series of 3 values, multiple Clients may be separated ... Register-PSSessionConfiguration : The '{0}' key in the {1}. session configuration file contains a value that is not valid. ... Registered type library information is invalid. The library GUID, version, locale, or platform information may be corrupt. ...