Prepare a Minecraft of the introduction of the single FML or Minecraft Forge,
only mods folder into the jar file of SpawnChecker.

I will install the (FML or) Minecraft Forge.
Make sure that you launch the Minecraft once, (FML or) Forge is able to install.
I’ll finish the Minecraft once.
I will put on. Minecraft mods folder% appdata% , the jar file of SpawnChecker you downloaded.
If you can verify that the start Minecraft, SpawnChecker is displayed in the list of Mod, it is successfully installed.

Download here : http://www.5minecraft.net/