Run the game via the launcher (e.g., PESGalaxy.exe ). Play a friendly match. If the stadium appears with correct adboards and turf, you have succeeded.
Because the base game lacked many European licenses, community-driven "Stadium Packs" became essential for realism. Pes 2015 Stadium Pack
Creating your own is also a rewarding hobby. Tools like Crifilesystem (to unpack .cpk files) and Blender (to convert FIFA stadiums to PES format) are widely available. Run the game via the launcher (e