Dss0 Low end pc can run Bo2 +60 fps, with a cfg. Even recording.
Windows 10 is awesome but not that friendly with low-resource pc.
The difference in performance is noticeable when when you use editing / programming software and not all of us have the possibility of having a good pc (latin america).
I hope you consider once again the compatibility with windows 7, I am sure there is a very large audience of bo2 win7.
best regards.