Avast is an antivirus software which helps you to protect your computer from viruses. Viruses are the top threats of today and they are the most horrible ones to live with.

These days, most of the pen drives are also called as virus carriers as they are the second top source of viruses apart from internet.

Avast is an antivirus software which is very capable to protect your computer with its advanced protection sysstem. You will be automatically updated with new virus definitions. Even it can protect you from threats which arise from internet. It can also give advance warning of some files. If some files cannot be delted which can be quarantined and may be deleted after the next restart.

That has much more features like heuristic protection, antispyware and also internet traffic monitoring.

Apart from having all these advantages, it is FREE. Yes, it is totally free and you can download it from here.