It will basically create you a profile for home and for the office. You use different offices when you are at home so the firewall is configured differently and then you use different applications at home.
I am using AVG free edition. It is the well-known free antivirus software and good for home computer users. AVG Free is easy to use and will not slow your system down. This software provides the bare necessities, including a real-time shield to prevent infections, anti-virus and anti-malware wrapped up in one engine, and a link scanner for Web surfing with care.