I need help....):

[Š Λ☨∀И]

I have two anti virus, avg and avast but now my two key are dead
my key for avg has always worked well
but now it no longer works
I would have to be covered until 2018 and i
dont know why now my AV is dead....
where i can find a new key or licence ????

i have this on my avg....
anti-virus ,scanner e-mail,anti-spyware
anti rootkit,link scanner,resident shield
web shield....


and now by pure chance I got to this page
http://www.clamwin.com/

is this a good choice ?
is that it can be the solution to my problem ?

ClamWin is a Free Antivirus program for Microsoft Windows 7 / Vista / XP / Me / 2000 / 98 and Windows Server 2008 and 2003.
ClamWin Free Antivirus is used by more than 600,000 users worldwide on a daily basis. It comes with an easy installer and open source code. You may download and use it absolutely free of charge. It features:

really sorry for my bad english.....