some keys to upgrade ur win 7

some keys to upgrade ur win 7 to

1. home premium
6RBBT-F8VPQ-QCPVQ-KHRB8-RMV82
2. professional
6RQ9V-6GCG4-8WV2H-966GF-DQ4DW
3.ultimate
FJGCP-4DFJD-GJY49-VJBQ7-HYRR2

put it in ur any time upgrade box & update it dont be panic it takes time restart ur pc & u done

 thnq