I recently came across this tread in TWC forum and taught sharing with you too. Windows Live in Collaboration with Kaspersky is Giving free 6 year license of Kaspersky Antivirus 2010. This is promotional offer from MSN. How to obtain the key? If you have Windows live messenger than Login to your Windows Live Messenger Add firstname.lastname@example.org in your contact Open a Chat window and paste the following 我要卡巴斯基激活码 This will return a license key to u through chat itself. Now Download Kaspersky Antivirus 2010 Run it and activate it using this key.