If you prefer to see code in action, the full installation process with conda is available as a Notebook in Google Colab.
Note for macOS users
In general, it is recommended to use Homebrew to install MiGA if possible. The MiGA installation in macOS using conda is known to be fragile and extremely time-consuming (it could take upwards of 20 minutes just solving the environment).
Now, install all the required packages using conda: