If you have not done so add the Crickit extension to MakeCode

  1. Start by opening the MakeCode editor
  2. Start a “New Project”
  3. Click on advanced —> extensions
  4. Cut and paste to add this url to the search box at the top of the extensions page:  https://github.com/adafruit/pxt-crickit
  5. Click on the extension for crickit to add it.   

You should now have a green tab for crickit in your main Micro:bit programming window.

Once you have installed the extension proceed to the following tutorials: