ATmega328 on a breadboard (8 MHz internal clock) problems with IDE 1.6.5

I’m following this guide:https://www.arduino.cc/en/Tutorial/ArduinoToBreadboard
but when I try to burn bootloader an error says “cannot find avrdude”. why?

To help you i will need to see a verbose log of the upload. You can attempt the following to fix the error though:

  1. Ensure the connection between your Arduino and the bareboarded 328p is correct.

  2. Make sure you have Arduino as ISP selected under Tools -> Programmer.