Client:
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Magic Launcher:
1. Save the mod to where ever pleases you highness.
2. Install Modloader.
3. Open Magic Launcher and select Setup->Add->Select your mod.
4. Enjoy!

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Regular Launcher:
1. Save the mod to where ever pleases your highness.
2. Install Modloader.
3. Locate the search option on your computer.
4. Search %appdata%.
5. Open .minecraft.
6. Open bin.
7. Open minecraft.jar with 7zip or Winrar.
8. Open the mod file.
9. Drag the from the mod file into minecraft.jar.
10. Enjoy!

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MultiMC:
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1. Save the mod to where ever pleases your highness.
2. Install Modloader.
3. Open MultiMC->Your Instance->Edit Mods->Add->Select your mod.
4. Enjoy!