Win10 even changed the requirements actually: https://www.osr.com/blog/2015/03/1...

yuhong on March 19, 2015 | parent | context | favorite | on: The Windows Driver Frameworks are on GitHub

Win10 even changed the requirements actually: https://www.osr.com/blog/2015/03/18/microsoft-signatures-req...

Personally, I think that signing all drivers off a single root makes sense, but I am concerned about the EV requirement. EricLaw mentioned before that they don't sell them to individuals, for example.