Migrating DirectX 9 or DirectX 10 to DirectX 11

Here is a link to an article that helps you understand how to move your code from DirectX 9 or DirectX 10 to DirectX 11:

https://msdn.microsoft.com/en-us/library/windows/desktop/ff476190(v=vs.85).aspx

The good news is that DirectX 10 and DirectX 11 are relatively compatible. 

The bad new is that DirectX 9 and DirectX 11 is more difficult.

And that’s it.  Just the link.