Check your Minecraft version
Install the correct mod loader, such as Forge or Fabric
Download mods that match your Minecraft version and mod loader
Install the mod loader
Open the Minecraft launcher and run the mod loader profile once
Locate the Minecraft mods folder
Copy the mod files into the mods folder
Launch Minecraft using the mod loader profile
Verify the mods are loaded in the game
Repeat the process for any additional compatible mods