How to set up Virtual WiFi in Windows 7

 Windows 7 has a feature called "VirtualWiFi". It allows you to split your WLAN access in Windows 7 on your Laptop or PC and to act like an accesspoint for other Laptops, so you can share your internet connection.

1. Enable VirtualWifi
You must run a command line with admin rights.
Type in:

netsh wlan set hostednetwork mode=allow ssid="MySSID" key="Mykey" keyUsage=persistent

Leave the commanline-window open

2. Check the new virtual wifi adaptor

Go to your Device Manager and check if you see a "Microsoft Virtual Wifi Miniport Adaptor" when expand the network adaptors.
If you check your wireless network cards in your network and sharing center you´ll see a second wireless network connection.

3. Start the virtual network card

Go back to the admin-rights command shell and type in:

netsh wlan start hostednetwork

Conclusion

With just a few steps you can make your Laptop or PC act like an wifi-accesspoint for friends or colleagues in a hotel or a at a conference.
You can disable this feature by typing in "netsh wlan stop hostednetwork" at a commandline window with administrator rights.