Using your laptop you can set up a wireless internet connection at home. You will not need a wireless router to do this. You can turn your computer into a wireless internet access point and set up a local network to which other computers in your home can connect. This feature is recommended for those who have no existing network setup. If you simply have a computer connected to the internet then you would be not needing this. Go to your system preferences and select sharing. Click on the internet sharing on the left hand side and to the right hand side select the AirPort express option. Now you can setup a network name and also set password to connect to it. This video shows how to set up a wireless local network with out using any wireless router.
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