If you are using Windows 10, then you are evidently one of the over 75 million people who are using this prestigious OS.
It took Microsoft half a year to sell 100 million windows 8 licenses and I find this milestone pretty commendable as the world we now live in is one where touching lives (reach) is the real icing on the cake for any business.
If you are still considering migrating to windows 10, I guess you should read this post where I outlined ten reasons for a windows 10 upgrade.