Today, I had the honor of speaking to thousands of our development partners at the Build conference about our plans to make Windows 10 the most attractive development platform ever. It is always thrilling to see so many developers excited about Microsoft and this year, about Windows 10. If you weren’t able to attend or watch it live, you can watch the keynote here later this afternoon once it’s posted.
Windows 10 on One billion devices
Today we shared our bold goal to see Windows 10 on one billion devices within two to three years of Windows 10‘s availability the first platform version, in any ecosystem, to be available on one billion devices. We will accomplish this by delivering Windows 10 with a free upgrade offer, making it easy for customers and businesses to upgrade quickly, and with great new devices (which we haven’t discussed yet ).
Read more: http://blogs.windows.com/bloggingwindows/2015/04/29/welcoming-developers-to-windows-10/