Copy keys and their values in the Windows registry.

:: Copy a registry key to a new registry location:
reg copy <old_key_name> <new_key_name>

:: Copy a registry key recursively to a new registry location:
reg copy <old_key_name> <new_key_name> /s

:: Forcefully copy a registry key without a prompt:
reg copy <old_key_name> <new_key_name> /f