Anti virus help please?

I used to be wonder what the most effective free anti virus can be.I appeared to be thinking avira, avast, or maybe avg.Can also anybody explain to me when These products have realtime safeguards.Thanks

Avira in addition to Avast are generally tops around freeware….there rating’s are generally so in close proximity it really doesn’t issue….but personal I would suggest Avast…a great deal more features…..

http://download.cnet.com/Avast-Free-Antivirus/3000-2239_4-10019223.html

A good free you are Microsoft Security Essentials C This is what the website says, Microsoft Safety measures Essentials offers real-time protection to your home or business PC in which guards against viruses, malware, and different malicious software package.

Avast along with Avira include the best of them.Yes, they have got real time protection.