Stardew Valley Expanded is one of the biggest Stardew mods out there—it really does feel like a proper Stardew Valley ...

This program Is free software: you can redistribute it And/Or modify it under the terms Of the GNU General Public License As published by the Free Software Foundation, either version 3 Of the License, ...

Since this mod is a dynamic link library (DLL) it cannot be used on it's own and needs a DLL injector such as Extreme Injector or Xenos etc... Alternatively, a proxy DLL loader will also suffice.