IMac is not able to get connected with wifi

Make a New Location, Using network locations in Mac OS X ...

System Preferences>Network, top of window>Locations>Edit Locations, little plus icon, give it a name.

System Preferences>Network, click on the little gear at the bottom next to the + & - icons, (unlock lock first if locked), choose Set Service Order.

The interface that connects to the Internet should be dragged to the top of the list.

Sys Prefs>Network>highlight the Interface you're using>Advanced>TCP/IP>Configure IPv4: Using DHCP.

If using Wifi, instead of joining your Network from the list, click the WiFi icon at the top, and click join other network. Fill in everything as needed.

System Preferences>Network>choose interface>Advanced>Proxies Tab, make sure none are set, like for HTTP & HTTPS.

System Preferences>Network, unlock the lock if need be, highlight the Interface you use to connect to Internet, click on the advanced button, click on the DNS tab, click on the little plus icon, then add these numbers...

8.8.8.8

8.8.4.4

1.1.1.1

9.9.9.9

Apply.

Do you have an Ethernet cable? (You’ll also need a usb-c adapter for it, sorry). You need to physically plug your iMac to the router via Ethernet and attach it to the internet that way so you can download the drivers for your wifi. This happens to a lot of people, don’t stress, nothing is broken.

What also might work and i haven’t tested this but the theory is sound - tether your phone to your computer via usb and try it as a hotspot and see if that sorts the wifi driver problem. If it works, it’ll save you buying cables and adapters you only need once in a blue moon 😊