1. Open network and sharing center
2. Select 'Setup new connection or network'
3. Scroll down, select 'Setup a wirless adhoc(computer to computer) network'
4. Click Next then Next
5. Give a name to network eg: MY WIFI.
6. Select WEP Authentication
7. Give a password eg: 54321
8. Click Next
9. Click 'Turn on Internet connection sharing'
10.You will get a message "Internet connection sharing is enabled".
Watch the video Tutorial for more clarification
Search your wifi supported devices for the WIFI, Connect it and Enjoy !
For any clarification, place your comments and queries below.
Thank you !