my product keys WINDOWS 8 PRO HOW TO UPGRADE TO 8.1
6RVJ6-N2YQF-HY9MR-6BY8B-K73G7
N23CW-7XV7-R8W74-B32QV-7QR9V
2TN3P-VDCXB-QPFCR-CR9G6-8TV3H
KRDFX-RVN8J-XJRYD-CKYVX-M949V
D9WDG-NKRXG-R9CJF-TWC7J-YPWXV
PLS SEND ME DETAILS AND HOW TO SOLVE MY PROBLEM
THANKING YOU
DURGESH