Avira Free Antivirus is an efficient antivirus software tool and offers a lot of great features. Main feature includes: Basic protection with robust defence against malware. It offers support for both manual and scheduled scans to get rid from Trojan horse and other viruses and malware attacks. Audio beep bug alerts feature, with option to enable and disable sound, notifies the user for any malware detection once the system scan is completed. Avira’s brilliant configuration utility feature allows for automatic updates to check and handle suspicious programs and files embedded with viruses. Protection against auto Adware installation feature restricts any unwanted pop up and messages and ensures user uninterrupted and smooth work. Safety and real time protection feature proactively checks, gives rating to websites and informed user of any website that could be harmful. Instant Installation feature allows for immediate installation of Avira software and quickly starts functioning to protect system from viruses. The enhanced browser tracking feature prevents tracking of user online activities from hackers.