If the wireless network has security settings enabled, please ask the administrator to enter the password.
If dhcp is turned on in the network, the computer can automatically assign an address to access the Internet after connecting.
If you need to assign the address manually, please set it in the properties of network connection -TCP/IP.
Ask the administrator for the specific address.
However, it is usually assigned automatically.
No wireless network card, bring a direct network cable, and find a wireless router or wireless switch.
Plug in the wire and repeat the above steps.