Avg Anti virus-it is one of the best antivirus .Buy if you have money but I am give you view tips to get free & working well.
AVG is full secur anti virus.like scan your full computer , remove virus, block unwanted file, net secur, maintain your computer with avg tune up, wwb secury, or more.
How to install.but before how to get easlly online
There are so many site with different price or u can buy from your nearest computer shop.
Online like amazon , paytm, ebay, shopclue, rediff etc
Now if you want to get free.
Open google crome or cnet site.search avg antivirus latest free version download & install
It give you 30 day tral version or 1 day scan your full computer also install avg tune up
Now to get free contact my whatapp 776482xxxx
& I will send you product key.put & enjoy free 1 yrs that its