Dealpro Dealpro.info Sold me an Illegal Copy of Microsoft Windows 7 Ultimate, Product Key worked for awhile then it stopped working because it was Blocked By Microsoft , deemed as "Hacked" or not valid. Internet

This company offered a deal of $139.00 for Microsoft Windows 7 Ultimate,  the website looked legitmate so I went ahead and ordered a copy because I had a computer that I just built that needed an Operating System.   Everything went well and it worked for 3 months,  after that the product key was blocked by Microsoft so the software wasn't Genuine and I contacted the seller,  they replied and sent me a new product key which worked for about another 3 months and then it happened again,  this new key was blocked by Microsoft and when I contacted them a second time they never responded.  I tried reporting it as counterfeit to Microsoft but I only got the run-around there.     Since then their website http://www.dealpro.info is no longer available but emails do get delivered to sales@dealpro.info but no response.   I lost $139.00 ,  and re-bought the software from Microsoft for $319.00.