To install the MediaTek Wi-Fi 6E WLAN Driver version 3.3.0.525 simply download the .cab archive below and save to your computer. Extract the content of this .cab file and update the driver via the Device Manager.
MediaTek Wi-Fi Driver
File: 8f052264-c8aa-4a0e-8b8e-d7a74c9953f4_0c70d11e506fa8ba31fdd4fbd80ba81f563d0741.cab
bd5e1df18dd34f1f103145100a083b6b83e0db35bc4af12c2a7d4432bef04bef