To download the selected files, you need the UseNeXt - Client. Its use is free for the two first weeks and a total of 3 Gigabyte download volume.. We also described the options and possibilities of the client.
Click here to download the tool.
In case that you just want to use the free testaccount do not forget to cancel the service in time: otherwise, it will be prolongued automatically and gets charged. On the other hand, it may be worth its price.