This issue has been resolved. Signing up for a trial or paid subscription using the sign-up forms on our website is possible again. Our apologies for the inconvenience.
Posted Dec 09, 2025 - 16:52 CET
Investigating
It is currently not possible to sign up for a trial or paid subscription using the sign-up forms on our website. A captcha validation error occurs after filling in the form and clicking on the sign up button below the form. We are investigating the issue and will update this page once more information is available. Our apologies for the inconvenience.