enable wifi hotspot in windows 7

To share internet connection with others through wifi hotspot follow the steps given bellow. Before proceeding make sure that

1. You are connected to the internet through the LAN cable (Ethernet connection ).
2. Your wifi adapter in on (enabled).

Step 1:
           Go to Control Panel.
Step 2:
           Choose Network and Internet 
wifi hotspot
Step 3: Choose Network and Sharing center
          
wifi hotspot
Step 4 : Choose change adapter settings
enabling wifi hotspot
Step 5: Choose the properties of the currently active internet LAN connection

wifi hotspot in windows 8 laptop
Step 6: Choose the sharing option and tic the two options

how to enable wifi hotspot in windows 8
Step 7: Go back and choose Set up a new Connection or Network

Step 8: Choose Set up a wireless ad hoc network and click Next
how to enable wifi hotspot
Step 9: Again click Next and provide a Network name and Security Key and click Next
how to set up wifi hotspot in xp
Now you are successfully set up your wifi hotspot and for checking it click the network connection icon on the windows toolbar and you can see that the wifi hotspot network is waiting for user. 
set wifihotspot

Watch video Tutorial