First step is to use a SFML compatible IDE. For example, if you are using windows, use Visual Studios(2022). Download Link: https://visualstudio.microsoft.com/
Second step is to download SFML based on your IDE and Operating System. Downlaod Link: https://www.sfml-dev.org/download/sfml/2.6.1/
Third step is to configure your IDE for the SFML following the tutorial based on your specifications. Tutorial Link: https://www.sfml-dev.org/tutorials/2.6/
Fourth step is to copy/clone this repo files into your project folder you started for SFML.
Fifth step is to integrate/download the vcpkg to use Libosmium library. Download Link: https://github.com/Microsoft/vcpkg Tutorial Link: https://www.youtube.com/watch?v=0h1lC3QHLHU&t=447s
Final step is to hit the build button in your IDE to run the project.