How to get rid of duplicate files in Windows Media Player 11, I am seeking an answer if at all possible.

Question

I don't know if this is the appropriate forum to ask this question....if it is not please guide me to the correct support forum. I am just trying to find out if there is an easier way of getting rid of duplicate files in my Windows Media Player 11.
Also how do I prevent my Media player from obtaining all these duplicate files from other libraries.  I have iTunes installed and my home network has four other computers belonging in the home group that have all their own respective music libraries. 
I guess I was naïve but I thought that when Windows Media Player is out searching other libraries it would know not to take duplicates of songs that it has already.  Enough said .....if anyone out there can help me that would be great.  I have in
the past spent many hours manually deleting songs from my music files and it really got old.

Answer 1

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Moving to off topic. 
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