Hi Marie, You can't update your trial version from the program itself. You go to the website and click on the purchase link. From there, you choose the period of your subscription from a combo box, either one, two or three years. I think from there it's pretty straightforward, although I haven't done it for ten months so I can't really remember. What I do know is that once you've purchased the program, Nod32 will send you an e-mail with a user name and password in it. You then remove the trial version from your machine, download the full version from the link Nod32 provide in the e-mail and then install it. At the beginning of the installation, you're asked for that user name and password you were given by Nod32 in the e-mail. Hope this makes some sort of sense. Cheers, Sandra. ** To leave the list, click on the immediately-following link:- ** [mailto:access-uk-request@xxxxxxxxxxxxx?subject=unsubscribe] ** If this link doesn't work then send a message to: ** access-uk-request@xxxxxxxxxxxxx ** and in the Subject line type ** unsubscribe ** For other list commands such as vacation mode, click on the ** immediately-following link:- ** [mailto:access-uk-request@xxxxxxxxxxxxx?subject=faq] ** or send a message, to ** access-uk-request@xxxxxxxxxxxxx with the Subject:- faq