I'm sorry I missed this comment, you can use Python from the Windows Store or download the installer from python.org, either should work, you may need to start the IDLE and adapt the path for those files according to your installation
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As per this comment is how I do it today:
https://itch.io/post/6606189
I open the files on vscode so it detect failed JSON specs that needs adjustments (usually is like dquotes missing or commas missing)