network drivers

My motherboard is a B650 AORUS ELITE AX. Many months ago I had a problem where even after installing the wireless drivers from gigabyte's website (correct motherboard model and revision number), my download speeds looked like a half-rectified sine wave at very low speeds. I scoured the internet...

Here is the PC. I found a 10 year old PC in storage and I'm trying to get it to work again. In Device Manager under Network adapters the only thing it shows is NIVIDIA nForce 10/100 Mbps Ethernet. I don't want to use an ethernet for internet. So how do I go about getting WiFi on this computer...