No "Wi-fi" option.

Solution


A new desktop pc? If it does not have a wireless adapter it will not connect to wifi, most desktops don't.


A new desktop pc? If it does not have a wireless adapter it will not connect to wifi, most desktops don't.
 
Solution


Then you do not appear to have a WiFi adapter installed.
Or it you do, you've not installed the driver for it.