Pondus
2
what avast version do you have… avast free / avast Pro / avast Internet security (AIS)
ahhh sorry i see it in the title ;D
avast! 5.x: Inserting the license key into avast! Free Antivirus
On-line registration is very simple and it's the preferred method for all users of avast Free Antivirus 5.x installed on a computer with standard Internet connectivity. To perform on-line registration follow these steps:
http://support.avast.com/index.php?_m=knowledgebase&_a=viewarticle&kbarticleid=459