As someone on Windows 8.1, I probably have little to loose, but do fear that whilst the software may always work on my current machine, things like security updates may become a) unavoidable to take, and b) not free, and subject to e.g. a new annual subscription service.
https://redmondmag.com/articles/2015...ion-model.aspx
"windows 365" trademark has been registered, noting it might be for defensive purposes only.
interesting times, a subs based model would annoy me enough to make me go elsewhere.