Please delete any other keyboard software you have previously installed on your device to avoid potential conflicts. This software application enables your handheld device to interact with the external keyboard. You will need at least 300KB of memory for the keyboard application. Battery Installation: 1. Remove the battery door on the base of the keyboard. 2. Insert two (2) AAA batteries (included) inside the battery compartment. 3. Replace the battery door. Opening and Closing the Keyboar