which to chose as a best service and qua

there are a lot of anti-virus to put in to pc out there….how do i know and which one is doing the best job to protect my pc from virus and hacker? i would like your quality service and brand name products that you know for best of today’s technology and prices? i willing to pay for a service and products that has a quality band name and service that has the best proctection for my own pc for any viruses and hacker? please be more specific on the services and brand name products and prices? this is also good for business use to as will? will it?