As a student you can make use of the wireless networks 'uva' and 'eduroam'. To do this you need to have the right settings and to be able to retrieve them you need to have an internet connection. Until 1 October, you can still use UvA open wifi for this purpose. After that, it is easiest to do this at home, as you already have an internet connection there.
Follow these steps once:
You can now connect to the faster and more secure wireless network 'uva' or 'eduroam'. Furthermore, you can now access the internet quickly and securely at all institutions worldwide that offer eduroam.