All you always wanted to know


  • Why do I need to enter my address in the registration page
    Your address is necessary for billing reasons. Without it we can not create an invoice.

  • What kind of payment methods are supported
    We accept Paypal and all common credit cards. If you want to do the payment through a bank wire transfer please contact us at

  • Will the subscription be renewed after one year
    No, the subscription is a no-renewal subscription and will not be renewed automatically.

  • How can I renew my subscription
    You can renew your subscription for a reduced price at at any time.

  • Can I get an invoice for my purchase
    Yes, the invoice will be uploaded to your user page in the Learning Portal and sent via Email within 24 hours after purchase.

  • Do I get access to the newest material, no matter when I buy the content

  • What can I do, if I have questions regarding the content
    As a premium user you can use the integrated issue tracking system and report issues, which we will try to solve asap.