**FOR THOSE WHO PURCHASED WINDOWS 7 PC BETWEEN JULY-DEC 2012**
As mentioned in this deal http://www.ozbargain.com.au/node/82947 last part of the description
1) Register Upgrade ID First
http://www.windowsupgradeoffer.com/en-AU
2) Then use your upgrade Id Here
https://windowsupgradeoffer.com/en-AU/MyOrder
3) Save your upgrade promotion code.