Install Python3 and poetry for you operating system.
The minimum Python version is 3.7.
Run python bootstrap.py to create a virtual environment invoke installed. After that, make sure to activate the virtual env before running other development commands:
python bootstrap.py source .venv/bin/activate # On linux and OSX .venv\Scripts\activate.bat # On Windows
Invoke is used as a task runner / build tool.
Then rest of the dependencies can be installed/updated with inv deps.