Do you want to create a quick network connection between two computers or laptops to share some files? Or maybe you want to share an internet connection? Windows 7 and Vista have a build-in feature to create a quick ad hoc wireless network connection, this means you can connect directly with another computer or laptop without the need of a router.
To begin, click Start and then control pannel. Now click Network and Internet then click on Network And Sharing Centeras shown in the screenshot below. If you can’t find Network, then type Network in Start Search and hit Enter.
Now in the left sidebar, click Set Up A Connection Or Network. From the list select Set Up A Wireless Ad Hoc(Computer-To-Computer) Network option and click Next.