I bought a windows 10 pro key, here's the transaction PI-d247ae424c5d51b6734c4ee18461abd76c1f81cd9bebf310eb6735994041d the key does not work and I get the error. "Windows can't activate with this product key. Please try a different key." I'm entering it correctly. It says, "Error Code:0xC004c003". I'd prefer a refund over an alternate key. send $7 back here please 1MKVJx3t5ArxavV4eNJvzgj7s1Y8xtb5vJ
did you try to read this support pages ?
http://windows.microsoft.com/en-us/windows-10/activation-errors-windows-10I see your error are listed there, try to do a little troubleshooting see if it works