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reg load

Writes saved subkeys and entries into a different subkey in the registry. Windows commands reference

On Windows

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Windows

from the Windows commands reference, CC BY 4.0

Writes saved subkeys and entries into a different subkey in the registry. This command is intended for use with temporary files that are used for troubleshooting or editing registry entries.

reg load <keyname> <filename>
reg load HKLM\TempHive TempHive.hiv
<keyname>Specifies the full path of the subkey to be loaded. To specify a remote computer, include the computer name (in the format \<computername>\) as part of the keyname. Omitting \<computername>\ causes the operation to default to the local computer. The keyname must include a valid root key. Valid root keys for the local computer are: HKLM, HKCU, HKCR, HKU, and HKCC. If a remote computer is specified, valid root keys are: HKLM and HKU. If the registry key name contains a space, enclose the key name in quotes.
<filename>Specifies the name and path of the file to be loaded. This file must be created in advance by using the reg save command, and must have a .hiv extension.
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