free..... free... free...Antivirus Trial versions

1.Bitdefender Trail version  

2. kaspersky

3. AVG 

4.Avast

5.Mcafee

6. Norton

7.Nod32

8. Trendmicro

9.Zone alarm

10. Pandasecurity

Note : '7 steps,3foots,4 fingers' like this antivirus I never suggested to anybody