Both the University of Amsterdam and the Vrije Universiteit are covered by the Eduroam network, a global network of academic wifi systems that allows students and faculty to log in wherever they travel.  For more information, see:

Official Eduroam site:

University of Amsterdam Eduroam log-on instructions:

Vrije Universiteit Eduroam Log-On Instructions:

Wifi Access: University of Amsterdam
If you cannot or prefer not to use Eduroam at the University of Amsterdam you may also log on to “UvA Open Wi-Fi,” which does not require a password.

Alternative Wifi Access
If you have trouble with both the open network and Eduroam, a limited number of individual wifi accounts are also available from conference staff.