By default, Canary does not allow you to set it as the default browser, with this registry hack, you can do it.
Copy and save the text below in a *.reg file, and then run it. Remember to change "YourUsernameHere" to your actual username.
Copy and save the text below in a *.reg file, and then run it. Remember to change "YourUsernameHere" to your actual username.