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The DarwiinRemote icon will look like this.
Double clicks on it, and you will a window looks like this.
Hold 1&2 buttons on Wii remote and click on "find Wiimote."
Sometimes you will get the error like this.
Just release the buttons until the blinking light goes away and do it again.
It might take up to a minute.
When it connected, you will see a couple wave in the different colors like this.
To enable IR mode, click on "IR Censor" and select "Mouse Mode On (IR) from the drop down menu."
So you can uses two candles as a censor bar.
To set the function keys, go to "DarwiinRemote" ----> "Preferences."
and you will get a window looks like this. Make a change to whatever you prefer and Enjoy!