This specific file is likely the version from GOG.com , which offers DRM-free games.
If you are looking for the latest entry in the series, WE ARE FOOTBALL 2024 was released in March 2024 with an updated 3D engine and expanded features. WE ARE FOOTBALL 2024 on Steam WE.ARE.FOOTBALL.National.Teams-GOG.zip
For a quicker experience, you can play a single tournament in a standalone mode without the full club management experience. This specific file is likely the version from GOG