Maria, There is no program that I know of, per se, but this can be accomplished manually on all versions of Windows that I've worked with, but it's done slightly differently depending on which version of Windows you're using.
Up through Windows 8.1 you just turn off automatic updating via Windows itself and then turn it back on just before your "cheap data window" comes into play and let it go to town then. In Windows 10 you go to the Network & Internet Settings, WiFi Pane, Advanced Options Link and set the Metered Connection switch to On. Windows will not download Windows updates over a metered connection. You can go back in and set the same switch back to Off just before your "cheap data window" then reset it to On later to prevent updates until you want to allow them again. Brian
