How do you install Magic Jack in a computer?

Magic Jack is a USB device that you connect to a USB port on your computer and plug any home telephone into Magic Jack's USB device. MagicJack uses VOIP and your computer will need an internet access. The device automatically downloads necessary software for making phone calls. You will need to register at Magic Jack's website to obtain a phone number of your choosing. It allows you to make local phone calls and long distance phone call for a yearly payment of $19.95 USD.