DTH Fan said:Isn't avast already a free antivirus?
Avast has both free and paid antivirus. What vicky bro has done is register his free avast to get 1 year free Antivirus :k
Avast also has paid pro antivirus which we need to buy but sometimes they provide it as promo offer :tup
Here you can compare the protection level offered by these product
Compare Avast antivirus | What is the best antivirus?