No way. The uptake curve was pretty steep for quite a few months through end of 2015, but growth has leveled out and the projections are way short of a billion in another 2 years.
They'd have to completely disable all other versions of Windows (7, 8.x) -- as in make them stop working NOW -- to get the rest of the base over to 10.
I upgraded to Windows 10 on my former laptop and it was a horrendous experience - constant upgrades of my system every few days for an hour at a time. Trying up my machine. This was a constant problem, I finally took it to my local computer shop and said, get it off my machine. At this point, he talked me into getting new laptop. All to get rid of Windows 10. He said his other customers were screaming about it too. The constant upgrades were to inject spy stud into my machine so they could track my browsing history, he said.