Note: If you want to see that your mods are decent or not, open Options menu in game and go to the Mods tab. Your mods will be shown up if they are decent:
1. Launch Farming Simulator 17.
2. Start game.
3. Visit the Shop in game by pressing button P.
4. Click the Next button twice, the Mods Category will be shown up:
Here you will find all your Farming Simulator 17 mods.