Best answer as chosen by user NorPlan: 100GB won't go far on video streaming. First, settings....
You didn't reveal which Windows so I'll show how Windows 8 helps here.
OK, just how much does Netflix use a hour? For that I turn to
OK, that's 2.3GB a hour so if they could chew that up in less than a month. You did state a household so that's even easier to blow past.