How to find duplicate files on hard drive?

I've downloaded a lot of "packs" and unfortunately have discovered that quite a lot of files are duplicates...

Is there a way of scanning the contents of a folder and see which files appear more than once?

Thank you very much....

 

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I've got that already. How do you use it for finding duplicate files?

 

buy glasses

 

Being a dick as always, eh German-bro?

 

no,no. Ich bin Ausländer hier in Deutschland.
Du bist aus Denmark.

 

I use Easy Duplicate Finder. Its very good

 

Thank you Luis

 

thanks.

 

Thank you my dear.