Your question is about DSL or Wireless Netoworking. you have to subscribe to receive DSL before you can use it. You will receive a 'DSL modem'. This will use either a USB or ethernet connection to your computer. Try and use the ethernet as you will need this to connect to a wireless broadband router. Most broadband routers will have one uplink RJ-45 to a DSL or Cable Modem, plus 4 more RJ-45 connections for other computers that are directly connected through CAT-5. With the wireless part of the router you will be able to connect your computer downstairs, provided you have a wireless card for it.
Remember to use WEP on you wireless router and if possible to have it not transmit its SSID. This way people will not know that you have a wireless system at all. This may sound like a lot of stuff, but you will find out it is very easy.
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I've got plenty of common sense. I just choose to ignore it. ...Calvin
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