The demo configurations for CANoe/CANalyzer are located in the demo directory. The location of the demo directory depends on the installation. In the Options dialog you can find the file location here:

Menu File|Options|General|File Locations: Location of user data.

In CANoe/CANalyzer, you can easily access the demo configurations with the menu File | Open ...

Then click on "CANoe Sample Configurations" on the left hand side, see: