For those who purchase their laptop that running Windows
Vista from 26/06/2009-31/01/2010.
Please visit your laptop's official website to check your qualification.
You will be ask to pay for Shipping and Handling charges only.
The charges should be within USD 15-20.
I claim my upgrade from Toshiba for USD19.
My friend's upgrade from ACER for USD18.
Don't miss this offer since it's free.