avast! Antivirus Professional Family Pack
Professional antivirus for the household
avast! Antivirus Professional Edition Family Pack is designed for families with multiple computers who need comprehensive antivirus protection but don't want to spend additional money to buy separate licenses for their security software.
In a nutshell, avast! Antivirus Professional Edition Family Pack includes exactly the same functions as the regular version of avast! Pro does, with the exception that you can install and use it on up to 10 household computers.
Additionally, if you have a Windows Server in your home network, you are also given the license for avast! Windows Home Server Edition which is part of the avast! Antivirus Professional Edition Family Pack.