> Microsoft doesn’t control the rights for a lot of the windows source code because it isn’t their copyright to begin with. I know "we don't own the source" ca

> Microsoft doesn’t control the rights for a lot of the windows source code because it isn’t their copyright to begin with. I know "we don't own the source" came up before with OS/2, but I'm pretty sure Microsoft owns the bulk of Windows source code (maybe not in the hardware drivers department), but as I mentioned in another comment, it has trade secret protection, they simply have never published or licensed it.