reg export

Export the specified subkeys and values to a .reg file. More information: https://learn.microsoft.com/windows-server/administration/windows-commands/reg-export.

Export all subkeys and values of a specific key:

reg export {{key_name}} {{path\to\file.reg}}

Forcefully (assuming [y]es) overwrite of an existing file:

reg export {{key_name}} {{path\to\file.reg}} /y