How to install SMAPI on Stardew Valley. If you want to play Stardew Valley with mods, you will need SMAPI. SMAPI is short for Stardew Modding API. It is a free program that makes it all happen.
How To Install SMAPI For Stardew Valley will show you all of the steps you need to follow to install SMAPI and get it running on your computer. This video demonstrates the process on Windows.