Avast antivirus serial key ?

Avast is worlds popular antivirus and many pc user use this antivirus. Avast antivirus user facead a problem this is serial key’s problem !? I went to give this problem’s Solution .

First download this file link here

Now Download Complete :p

And go avast antivirus Now find ( Maintenance ) click this

Now ( Registration ) and use serial key.

I hope all use this Tricks

Thank You all