You can share a wireless network without using a wireless router in win7.

If you do not use a wireless router in win7, you can share the wireless network. This method is applicable only to win7 Professional Edition and later versions. Make sure that the wireless network card is enabled! 1. enter the doscommand line, start-run-cmd 2, and enter the command at the command prompt (copy it directly ): netsh wlan set hostednetwork mode = allow ssid = Name of the wireless network you want key = 10-digit password you want to set press Enter: The bearer network mode has been set to allow. The SSID of the bearer network has been changed. The User Key and password of the managed network have been successfully changed (name and password, remember, you need to select and enter the password when searching for the wireless network, you can customize the change) 3. enter netsh wlan start hostednetwork and press enter to display: The bearer network has been started. Indicates that the task has been completed. (If it cannot be started, please try to turn off the wireless switch on your computer, open it again, and then execute step 1) Close 4. go to Control Panel \ network and Internet \ Network and sharing center chinanetsnnwide ---- properties --- sharing --- check the first ---- select wireless network connection 2OK. This is a success! In the future, you only need to do three or four steps, and it will take almost a second to kill.