Biomods are used to upgrade and customize your character.

Press [ToggleBiomodMenu] to activate the Biomod Screen.

On the Biomod Screen, use [UpDown] to navigate the various biomod slots. Press [SpecialMenuAction] to display a listing of the biomod upgrades available for the selected slot.

Use [LeftRight] to select the biomod upgrade and then press [MenuSelect] to install it.