This promo code is for Kaspersky Internet Security 2011, a hugely popular and much recommended security software, courtesy Kaspersky Latin-America group. Through this promotion they are offering a one-year free activation key-code for KIS 2011.
Get Free KIS 2011 Key
Go to this promotional offer page which is in Spanish.
Fill up the form as required. For your benefit, find the translated form.
Enter c35e00be266f in promotional-code field.
You must get an email with the details of your activation key as well as download links. The promo code is not expected to last longer. So make it fast! Update: Looks like you need to be using an IP address of one of the Latin American countries. Better still, use a US based vpn (Free vpn services)