It is not possible that you pick files from GitHub and they just can’t build. The possible issue is that you are not picking the correct files.
The correct procedure is to go to the repository (web) and from there you will see this portion here:
You will click next at the “tags” link and it will show the following page:
From here you will scroll down until you find the release you want and download it. Next is to follow the correct steps described at README.md. Providing you installed Visual Studio 2019 or 2017 and have the correct modules installed, you will surely succeed compiling.