No Wi-Fi option available after Boot Camp on my iMac

So I have a macOS Monterey late 2015, and tried bootcamp to run windows 10 for gaming cause steam won't cope well with 8.1 and no wifi driver is shown so no wifi, I looked through what adapters I can use and tried the Broadcom one but still it says it's not compatible. Anyone figured this out or have an idea?

[Re-Titled by Moderator]