You cannot install Xibo that way.
Please read the section of the docs that covers this, and explains how to setup your webserver to install Xibo correctly.
We don’t recommend installing Xibo under XAMPP so we aren’t going to produce a guide showing you how to do it.
HI,
here is a installation guide in german for Xibo 1.8 in an Xampp Environment:
Feel free tu use the Google Translator to translate in your own language…
Greetings Torsten