Windows Installation
1. Download the mod
2. Download and install ModLoader
3. Open up a Windows Explorer window and navigate to C: Users Your User AppData Roaming .minecraft bin and open the minecraft.jar file with a tool like 7zip or WinZip
4. Locate the Gangnam Style Mod 1.4.7 zip file that you downloaded and unzip it with a tool like 7zip or WinZip and open the unzipped folder
5. Open the Put in minecraft.jar folder and drag mod_GangnamMod147.class, ModelPSY.class, EntityPSY.class, RenderPSY.class, and the textures folder to minecraft.jar
6. Navigate to C: Users Your User Appdata Roaming .minecraft and open the resources folder and then the sound3 folder
7. Open the Put in resources sound3 folder from the Gangnam Style Mod 1.4.7 folder and drag the mod folder to the .minecraft resources sound3 folder that you opened in step 6 
8. Run Minecraft