Install Python Interpreter
Please navigate to official website and Download the latest Python and install it. Please READ NOTES BELOW.
Please read the “Important Information” displayed during installation for information about SSL/TLS certificate validation and the running the “Install Certificates.command”.
If you do not install SSL/TLS certificates, PlatformIO will not be able to download dependent packages, libraries, and toolchains.
Add Python to Path(see below), otherwise,
pythoncommand will not be available.