How do you Calibrate an LCD Monitor?

I am the proud owner of a new acer 23" v233h, this monitor offers a generous amount of screen real estate to work own, aside from the monitor review, I have noticed that the colours are somewhat amiss.
For example, in my workplace I use a CRT monitor this displays colours how I want, but the LCD seems to produce brighter tones. How do I calibrate the LCD monitor to produce colours identical to the CRT? The monitor comes bundled with all manner of applications to change brightness, contrast and color temperature but as yet I am having now luck. I would appreciate any help on this.

Thanks