With the release of Microsoft® Windows® 7 , wireless networking is easy. All you need is a wireless interface adapter and a router or access point, and you can be connected to nearby computers and to the Internet in a few minutes. 1. Get your equipment First you need a wireless access point (WAP) or wireless router . Computers and other wireless devices connect through this to one another and to the Internet. You also need a wireless network interface adapter (wireless card) that is compatible to the WAP or router. If you have a notebook PC, it may be built in. You can add a wireless adapter to a computer as an internal expansion card (for example, a PCI card) or as an external adapter that plugs into a PC card slot or USB port. You should also have a high-speed Internet connection, if possible. Wireless computers and other devices communicate using signals that go over the airwaves, usually using satellite, WiMAX , Wi-Fi or Bluetooth® . To connect ...