You are reading a manual, so I conclude that you ran into problems. So take a good advice first:
Now you should feel a bit better, but before you can face what is coming next, you should go to your next bookstore and buy Douglas Adams famous 5 books...
Read these five books :-)
I hope you are relaxed and happy now and well prepared for the incredible rest of this hitch hikers guide to KFM.
About how to install new data types.
Integrating applications in the K Desktop Environment.