I have an extra copy of Norton AntiVirus, 2011 for a PC. Comes with a 12 month subscription to updates. I've used the Norton product for many years and believe it provides a good balance between protection and simplicity.

This disk is sealed, has a product key, and has never been installed or registered. It was distributed with a new PC.

I will send it to you for $15, shipping included. New price from Norton is abut $40.