Products are constantly improved and updated and, like most software these days, an annual subscription is necessary. Unfortunately that's the way most companies work these days. What you pay each year is for the use of the software and to receive all updates/upgrades during that subscription year.
If you aren't satisfied with that then the best thing to do would be to write to McAfee HQ:
- McAfee Corporate Headquarters:
- 3965 Freedom Circle
- Santa Clara, CA 95054