Suppose a group of people get together in a meeting room or at a boring party with only one network connection there and no wireless routers in sight. If you happen to have a laptop and you know how to create a virtual WiFi hotspot on it, then everybody's WI-Fi-enabled devices can connect to the Internet and do whatever they want to do. Here is a solution for you to turn your laptop into a virtual WiFi hotspot.
1)Make sure you have a laptop or a computer with wireless adapter, the Internet connection to laptop could be wired or wireless.
2)Go download a software to help create the hotspot. Virtual Wifi Hotspot is recommended, as it's free and it works on Windows XP, Vista, 2008, 7 and 8.
3)Install the software as suggested and launch it.