Run WSL (Windows Subsystem for Linux)

Open git bash (better for linux than powershell I believe) and run

wsl --list --online
wsl --install Ubuntu

Run docker on windows folder

cd /mnt/c/Users/bustroker/windowsfolder$
docker run --rm -v $(pwd):/windowsfolder openapitools/openaexpi-diff /windowsfolder/openapi_v2.json /windowsfolder/openapi_v3.json