1) No, just basic computer details.
2) No I don't believe so.
Customer Service would hopefully be able to clarify that for you. It's a free phone call or online chat and linked under Useful Links at the top of this page.
No files will be shared with McAfee while running scan.
What about browsing histories?
How is that info used?
McAfee will monitor the activitied on the internet. That means, when you go on a website which may cause infections it will give a warning about that.
So McAfee doesn't store a list of URLs I visited?
No, McAfee will never store such details.
I thought so, hope that answers your questions.
To me it would be illogical for a security software company to act in an insecure manner like that.
We'll leave that kind of thing to certain Governments, not to mention specific ones of course.