Free Download Smac The Mac Adress Changer

SMAC is a powerful and easy to use MAC Address Changer (Spoofer) for Windows systems, regardless of whether the network card manufacturers allow this option or not. Its features include:
Automatically Activate new MAC Address after changing it

Show the manufacturer of the MAC Address 
Randomly Generate any New MAC Address or based on a selected manufacturer
Pre-load MAC Addresses List and choose the new MAC address from the list.
IPConfig button - click to show network adapter (IPConfig) info to confirm changes
User-friendly GUI