Windows 10 - which versions of TCS are compatible?

Is there a definitive list of which versions of the Tech Comms Suite are compatible with Windows 10?

I'm currently running TCS 4 on one machine and TCS 2 on another (both Windows 7, currently). It seems every other bit of essential software I own is now compatible with the exception of TCS... but I can't upgrade to TCS 2015 at the moment on both (it may happen ... I keep nudging) as the decision is up to my clients, not me. As an aside - I went to a training course with TCS4 on a laptop that had been upgraded to Windows 10, and for the short amount of time I used it there, it seemed fine...

Any guidance appreciated.

Alison