On Sun, 11 Jun 2017 20:50:09 -0400, "Mr. Luddite"
wrote:

I don't know the details because I've never done it but apparently
sources of movies such as Amazon allow you to download a complementary
digital copy of the movie *if* you have purchased a hardcopy (DVD).

Amazon will give you a stream if you buy the DVD but that still
resides in the cloud.