If have not registered before, you need to register first and then add a demo account:

If you have already registered (for example, you have real account, even if it's closed, or you had demo account before), then just go to your “Personal Cabinet” and add new demo account:

You can have as many demo account as you need at one registration.

Commercial use of demo accounts including all the associated resources (in particular, AFMCharts and IDLe), is prohibited.