If anyone is looking for best freeware antivirus than Avast is good choice.Avast antivirus is widely used and trusted antivirus worldwide.It protects system against viruses, malware and other threats. It is Easily available in avast official website and it is easy to install.It has very good user interface and one can easily learn to use this antivirus.Why I had chosen avast free antivirus among other free antivirus because of its useful features like real time protection of system, it is light weight and faster, it takes lesser time to scan system, its smart scan, doesn’t effect system performance, provides Network security, it has browser cleanup, good firewall any many more other features.All these features are free of cost and they provide regular database updates, one can download offline updates for using it in multiple systems.
Overall it is very good Free antivirus with lots of useful features and the company provides regular program and database updates to protect system against various threats.It is available for Microsoft Windows, android, mac and now it is compatible with Windows 10.Just try it once.