How do I get the 20-year warranty extension for my K2 mounting system?

What kind of app is that and how does it work?

Where can I find the app?

How can I register/log in for the app?

Can I use the app only with a commercial customer account?

Do I have to pay for the app?

How can I import a project from K2 Base?

How do I create a new project?

How can I upload images/files to my project?

How can I delete a project again?

Why do I no longer see my tasks when I have checked them off?