Because I have no key, I’ve been tried this procedure.
1. I’ve been used this link http://go.websitex5.com/sosstart14en from this site.
2. I download file on that page, but I didn’t use it. Page has been changed to http://go.websitex5.com/lp2/14/en/start/sosstart14en/thanks.php.
3. Just in case of issues during the activation, here is the link where you can get the licence key manually:
https://helpcenter.websitex5.com/magazine/sosstart14en
4. I have been used key from this page and it worked, I use my email and password to account and license has been added.