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Anti-virus and anti-malware software are more important than ever. At a minimum, students should install one of the following free tools to ensure your computer is protected. If you have purchased a commercial product, you do not need these tools.
Note: You should only install one anti-virus product at a time. If you are changing from AVG Anti-virus to Microsoft Security Essentials, you must first uninstall AVG.
Microsoft Security Essentials