DE maps

Put the map's .bsp file into cstrike/maps. If the map uses custom textures, place the .wad files in cstrike. For sounds, put them in cstrike/sound while keeping the original folder structure.

Map files (.bsp) belong in cstrike/maps. Custom textures (.wad) go to cstrike. If you use a localized version, check cstrike_russian as files there take priority.

Open the console and enter map de_mapname (replace with the actual map name). Or use the "New Game" menu and pick the map from the list. Make sure the map file is in cstrike/maps.

Verify that the map file is a valid .bsp and is located in cstrike/maps. Missing .wad texture files in cstrike can lead to errors or missing textures. If the map still crashes, try launching the game with the default config.cfg or check that the map isn't corrupted.

Bots need a .nav file for the map. If the map doesn't have one, you can create it by typing nav_generate in the console after loading the map. Wait for it to finish, then the bots can navigate.

Yes, but the server must have the same map files. If you join a server with a custom DE map, your client may need to download it. Servers can also replace custom models or sounds, and mismatched files may cause a kick for consistency.

Delete the map's .bsp file from cstrike/maps. If you added custom textures or sounds, remove those files too. The map will no longer show up in your map list.