How do I perform a vulnerability scan on a windows 7 or windows 8 operating system

I would like to know how to perform a vulnerability report that can generate a report of the before and after results . I have been searching on the Internet and have found mostly organizations that want to consult with you and charge large sums of money.  All i need is a piece of software of utility than can scan my computers or network and provide the aforementioned before and after results. I don't expect this to be a free utility and am willing to pay for a reliable vulnerability report assessment

Please give me your recommendations on what software I should be using to perform vulnerability  assessment.
Thank you in advance.
BLACK THANOSAsked:
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David Johnson, CD, MVPOwnerCommented:
awawadaCommented:
We do consulting for customers and we use Nexpose Metasploit.

http://www.rapid7.com/products/metasploit/
McKnifeCommented:
Thing is, to do a pentest or a vulnerability scan, you need to be able to interpret the results  of those scanners. The results alone are worth nothing. So unless you are a security expert, you won't achieve much. Also consider the difference between doing it yourself and asking someone - you yourself will overlook so many things just because you assume they work the way they should.

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joinaunionCommented:
Vulnerability for anything in general? Or everything?

For example you can run this test for Freak flaw in browsers and it will have output also.
https://freakattack.com/clienttest.html

Is this the type of scans your looking for?
BLACK THANOSAuthor Commented:
Thanks gentlemen. I know what direction to go in. Your input was invaluable to my making a decision.
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Windows 7

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