OK. The SSID is hot normally part of your PC. Except in the case where that is want your really want to do.** Normally SSID is the station ID of a device that gives you a wireless connection into a network.
Without knowing what kind of thing your have, I can only guess. My guess is staht you have a wireless router and the dealt name for the wireless thing is inside the router, not inside your PC. To change it you have to log into the router control panel.
You cm use the the
ipconfig command.
It will show the address given to your PC,headdress the gateway and the DNS things.
If your gateway is 192.168.0.1 you that to log into the control panel of the router.
You will need to know the user and password forte gateway. Often it is h admin for both. Or admin and password.
Somewhere there is a place to change the SSID of the wireless router. You can use any name you like. I like to call mine
'FBI-Monitor' to spoof my neighbors.
You need to see the documentation specific to the brand & model of router.
Does this help any?
** In Windows 10 you can reverse a wireless thing so that it becomes AP instead of a client. That is a special case that most users have no reason to make use of. The AP notionally is a device that offers sentry into the Internet or other network system. It is the Access Point. But normally your PC is a client.