Wireless Keyboard Updater
The 2.0 version of Wireless Keyboard Updater for Mac is provided as a free download on our website. The actual developer of this free software for Mac is Apple Inc.
From the developer:
Install this software to use the function key one-touch controls (brightness and volume controls, for example) with your aluminum Apple Wireless Keyboard. Disconnect non-essential devices and use only an Apple keyboard and mouse to install the update.
You may want to check out more Mac applications, such as Bluetooth Firmware Updater, Air Keyboard or Keyboarding Without Tears, which might be similar to Wireless Keyboard Updater.