Requirements:
C&C3: Tiberium Wars (Kane Edition works too)
Patch v1.09 or higher

Installation:

Extract the retarded1 folder from the .RAR file into your "My DocumentsCommand & Conquer 3 Tiberium Warsmods" directory.

Example - My directory is: "C:Documents and SettingsAdministratorMy DocumentsCommand & Conquer 3 Tiberium Warsmods"

Note: The "mods" directory might have to be created manually

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How to play:
Go into C&C3's Control Center and click on Game Browser.
Click on the 'Mods' tab and double click on 'ultraMammoth' from the list of mods.

Uninstallation:
Delete the Files you extracted.