In this guide
Installing for Windows
1. Download the installer SMAPI
2. Extract the zip.
3. Run the .bat and follow the instructions.
4. There are additional steps needed. See below using your platform
Steam
1. Keep the SMAPI Installer open.
2. Copy the Text.
3. Open Steam and right-click Stardew Valley.
4. Choose Properties.
5. In General paste in the text from the installer to the launch options.
Xbox App
1. Open the Xbox App.
2. Right-click on Stardew Valley.
3. Click Manage.
4. Go to the Files tab.
5. Click Browse to open the game folder.
6. Open the content Folder.
7. Copy the URL of this folder.
8. Back to the installer. When it asks for the location to install, paste that link.