FHG,
I am figuring you run windose but even if it is one of the Linux versions there is free software available to run the videos if you right click and select Save As. I did that the entire time I was running windose and was on dialup. Pf you have any of the versions since XP it should be loaded with the Media Player from the store. If it is not it is a free download from the MicroSoft website.
I have windows 8.1, but the problem is the old copper phone lines that Verizon will not change, but to only keep repairing them. I could get dish satellite for the internet, but I'm not paying $100.00 a month for it. I can open videos, but it takes hours for them to download. It is what it is and maybe we will find another place to rent next summer that has DSL available.