The district is now using .
Staff may download Microsoft Security Essentials at home for free on Windows computers.
Microsoft Security Essentials may be downloaded here:
http://www.microsoft.com/en-us/download/details.aspx?id=5201
Mac users have a free option in Avast Antivirus.
It can be downloaded from here
http://www.avast.com/en-us/free-antivirus-mac