We must protect our computers from viruses. They can transmit through various channel. From email to Websites, USB insertion. There is no full proof system to avoid viruses. So we must be extra vigilante to avoid these naughty codes and for that one must install anti-virus software.
- Buy or download antivirus from a verified source.
- Install the software.
- And also configure for auto update of the engine and virus database.
- Must have scheduled plan for everyday , if not at least three times in a week time.
Some of the free antivirus : Microsoft essential or yo can install avast with one year free trial/free if you register.