Dear Elisabeth Kádár You have to sign in here https://access.clarivate.com/login?app=wos According to https://www.webofscience.com/wos/author/record/2142948 your Web of Science ResearcherID is ABG-5144-2020
Best regards.
PS. If recall correctly one could register through what used to be called "Publons" which now seems to be integrated with Clarivate's Web of Science, see https://en.wikipedia.org/wiki/Publons If not registered yet I guess it goes nowadays through the Clarivate link.