360 Total Security
Qihoo 360 Total Security is one of the best FREE all in one security suite for your PC. 360 Total Security uses 4 engines from 360 Cloud Engine / QVMII / Avira and Bitdefender. And it will give you complete protection with no worries about viruses, malwares, spyware, and other infection threats over the net. And the best thing for this one is you can get it for free forever !
Homepage : http://360safe.com/totalsecurity.html
RAR PASSWORD : www.ngedown.com