Quicksteps for Windows 7 or 8 to setup your laptop or any computer as an access point.
Step 1:
Click Start, type CMD, right-click the Cmd.exe link and select "Run as Administrator".
Step 2: Check availability
If you want to create WiFi Hotspot then first you have to check if the hosted network mode is supported by your machine or not:
netsh wlan show drivers
If you find Hosted network supported : Yes then you can create a WIFI hotspot on your computer
Step 3:Creating WiFi Hotspot
Now type the following command to create WiFi hotspot:
netsh wlan set hostednetwork mode=allow ssid=Name key=8CharacterKey
Replace "Name" with the name you'd like to use for your custom network, and "8CharacterKey" with a password that's a little harder to guess.
Start Wi-Fi hotspot by this cmd:
netsh wlan start hostednetwork
Step 4: No Network Access? or No Internet Access?
Now click Control Panel -- Network and Internet -- Network and Sharing Center
Click on Internet Connection you want to share (Broadband Connection)
Properties -- Sharing Tab-
Check Allow other network users to connect through this computer's internet connection..
And in drop down list select your virtual adapter's (WiFi Hotspot's) connection..
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