Report to the group entrance 5 minutes before the start of the program.
Tickets for a museum visit with an introductory program are offered on this page. Can't you find a ticket on your preferred date and/or time? Then also look at:
Tickets+
Museum visit with a 30 minute introduction in English
Due to a technical update, it is temporarily not possible to buy tickets to visit from 1 January 2025. From 3 December, this will be possible again.