reg import
Copies the contents of a file that contains exported registry subkeys, entries, and values into the registry of the local computer. Windows commands reference
On Windows
Windows
reg import <filename>reg import AppBkUp.reg
<filename>Specifies the name and path of the file that has content to be copied into the registry of the local computer. This file must be created in advance by using reg export./reg:32Specifies the key should be accessed using the 32-bit registry view./reg:64Specifies the key should be accessed using the 64-bit registry view./?Displays help at the command prompt.