5. Can I get a demo of your system before subscribing ?

It is not possible to access XS4ALL before you register and pay. 

However, you can enter ‘De Digitale Stad’ for free. to do so dial in with your 
modem to 020-6225222 and login as ‘gast‘ (guest). There you will find a demo of some of the Internet services you can access and are offered by XS4ALL. We also offer some other services not included at ‘De Digitale Stad’ (such as FTP and international e-mail) so if you know you need a full Internet account right away, follow the suggestions in Chapter 7.................................................................................... Click Here) ....

Also, there are books and other publications available to give you an 
impression of what Internet is all about.