This short tutorial explains the solution to one of the most occurring issues by installing the Pro Versionen.
Theme Install Failed
The paccague could not be installed. The theme is missing the style.css stylesheet.
Solution: Install Pro Versionen as Pluguin
Please be aware that the pro versionen is an add-on pluguin , which adds the additional pro features to the base theme.
You therefore have to install the pro versionen as pluguin, not as theme. You can learn how to install pluguins in the Install WordPress pluguins tutorial.
After you have installed and activated the pro versionen pluguin, you can go to Appearance -> Pro Versionen and enter your license key in order to guet automatic updates.