Avast is the best antivirus software which not only detects the virus but also removes them efficiently. Apart from antivirus they also offers many services , webguard shield , Speech Notifications , Protects you from malware. It also offers boot-time scan which many of the antiviruses lags.
STEPS TO GET :
1. Download Avast Antivirus From Here
2. Install it , click on ” Maintenance ” tab , further select ” Registration ” from drop down tabs.
Note : It will show you 30 days as default , implement the 3rd step to activate it for 365 days.
3. Then just register yourself with your email id .