The answer is Yes, there are 6 free antivirus for commercial use, and AVG or Avira are not one of them. Here are 6 free antivirus for commercial use, unfortunately, Norton is not one of them. The biggest and possibly the most reliable is Microsoft Security Essential. These 6 free antivirus works on Windows XP, 7 and 8. You are advised to keep the license agreement in your office.
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