Implications of redistributing a custom File System Drive r

Are there any restrictions when reproducing, licensing and distributing a
new custom File System Driver in object code(binary) form to potential
customers?

Who would own the copyright to the Custom File System Driver myself or
Microsoft?

Would I own all the legal rights to the Custom File System Driver?

Do I require a special licence from Microsoft for an individual Custom File
System Driver, before it can be Distributed? if so, how much would each
licence cost?

What would the implications be for Distributing an unlimited number of
copies of the Custom File System Driver as a stand alone product?

What would the implications be for Distributing an unlimited number of
products which incorporates the Custom File System Driver?

Would I be required to obtain a valid digital signature from Microsoft,
before I can distribute an unlimited number of copies of the Custom File
System Driver as a stand alone product? if so, how much would a digital
signature cost?

Would I be required to obtain a valid digital signature from Microsoft,
before I can distribute an unlimited number of products which incorporates
the Custom File System Driver? if so, how much would a digital signature
cost?

I would be grateful if anyone could assist me in understanding the legal
implications of marketing a custom File system Driver

King regards,
James Dunning