Norton is fast and reliable, and very user friendly. Also Norton inexpensive. No One should go without antivirus protection. I would recommend it to all PC users, as it has saved my computers a number of times from viruses. Detection Rate I believe, at least for me the detection is very good. As long as I have had my computer I have had Norton, it has caught several viruses before, it attached to my computer files. Ease of Use Norton is very easy, anyone who knows the computer can install and work Norton. Scan Speed For my computer Norton scans very fast. Availability of Updates Norton updates regularly. Compatibility Norton is very compatible with Windows computers.