You can buy it from Infineon. It is the only tool that probably you will buy!
Infineon stops offering this Easy Kit, you can buy an equivalent.
Please take the XC164CM manual from Infineon (two .pdf files ) . Save them on your Desktop. Don't try to read them, but you will use them as a reference. You can have only an overview.
But why we have selected xc164cm Infineon microcontroller to present?
Xc164cm belongs to the Infineon xc166 16 bit microcontrollers family. You
will meet them very often inside the electronic control units of cars and trucks.