The product key for the Microsoft office 2007 versions is also available for free at some of the authentic links.
It would be good to buy the free product key as it would be very cost-efficient and good as well. Following is the
list of the various product key for the office 2007 version:
FHH8R-7WC4H-BH696-VBV6D-VCBMB
VB48G-H6VK9-WJ93D-9R6RM-VP7GT
TBMFM-QXMQX-G8FVP-BFH9J-X9PHM
QG7TR-DHG94-W2YKQ-MY6VK-PK9QY
HCFPT-K86VV-DCKH3-87CCR-FM6HW
RHT43-PDJWT-JMKPB-8WTW7-WWG3Y
G333X-86T9C-P92KX-M4P67-4PWYT
TT3M8-H3469-V89G6-8FWK7-D3Q9Q