Customer Log-In

en espaņol | auf Deutsch

Access your customer account

Log-in (your chosen log-in name, Client ID or registered e-mail address)

New registration

If you have not previously purchased or registered a program through OSoLiS, you will need to set up a new account. For information about what this involves, see here.

Forgotten log-in or password?

You can enter either your log-in name or your Client ID (e.g. C999) or the e-mail address you entered when you registered. If you have forgotten your password, request a reminder here. To see your log-in name or to change your password when you next log in, click on 'Change your log-in name and/or password' on the Options page.


Do not use the browser Back or Refresh buttons as this may generate an error. Bookmarking pages will not work either. This is a security feature designed to prevent unauthorized access to your account. To enhance security, please be sure to Log Out when you are finished.