Hi CapeMay5. Thank you for this feedback. I will gladly pass along this suggestion.
Please let us know if you need support with anything further.
I have a Windows 10 Surface Pro 4 as well, and would love to be able to watch my DVR'd shows offline like when I'm on an airplane or somewhere without fast wifi
I would also really like for an xfinity streem app to be created for Windows 10. It would be a lot more convienent then going to the website.