it should be attached

avast! 2014: Inserting the license file into avast! Internet Security http://www.avast.com/en-eu/faq.php?article=AVKB7#artTitle

avast FAQ http://www.avast.com/en-eu/faq.php
avast FAQ video http://www.avast.com/en-eu/faq.php?q=video#searchForm