##all command ##happy hacking
#to download the old version
https://kernel.ubuntu.com/mainline/
#to download the driver
https://github.com/aircrack-ng/rtl8812au
#to get the gcc version
sudo apt install gcc-14 g++-14
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-14 100
sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-14 100
#mannual update the driver
sudo modprobe 88XXau