pc mac changer

Hello guys, Actually i'm looking for a software what can generate & change my pc system information with mac. I don't want to change information only for properties view, actually websites cookies also should recognize that information. If any1 can help me on this case that'll be great. Thanks

Hi, I want to change my PC mac add. by using tools/ software which are works great ... I have already install Technitium MAC Address Changer ... it's would not work anymore and every time showing "Failed to change Mac Address For wireless connection set the first octet Mac Adress 02" I have...