top 20 free antivirus list

1.

. AVG Free Antivirus

2

Microsoft Security Essentials

3

Avast ! Free Antivirus

4

Avira AntiVir Personal

5

Bitdefender

6

Comodo Antivirus + Firewall

7

A – Squared Free

8

Rising Antivirus

9

PC Tools Antivirus

10

Spyware Doctor with Antivirus 2010

11

DriveSentry

12

Malwarebytes

13

Panda Cloud AntiVirus

14

EAV Antivirus Suite Free Edition

15

Clamwin

16

FortiClient Endpoint Security

17

Immunet Protect

18

Spyware Terminator

19

Hitman Pro

20

Spyware Doctor with Antivirus 2010

these can be downloaded from www.filehippo.com 

www.brothersoft.com

or  

http://technologytosoftware.com/download-free-antivirus-software-programs-for-windows-os.html

so download the one ypu like and start protecting your pcSOURCE: http://technologytosoftware.com/download-free-antivirus-software-programs-for-windows-os.html