Minecraft Launcher

1. Find the mod or mods you want to add from the list of Fabric mods on Modrinth

2. Click on the mod's Details page

3. Click on your desired Minecraft version

4. Click on Fabric

5. Click on Download. A jar file should be downloaded

6. Open the Minecraft Launcher

7. Click on Installations

8. Hover over the Fabric installation

9. Click on the Open Installation's folder button

10. Copy the jar file you downloaded in step 3 to the mods folder

11. Click on the Play tab

12. Click on PLAY. Minecraft should open up

13. If you can see the newly installed content in the Mod Menu, you're done!