RM520N-GL how to enable COM Port Windows?

I have RM520N-GL in my lenovo laptop. How to enable COM port in device manager? I want to run AT command

Please send me the driver/firmware to enable com port - alex.tanfg@gmail.com

Dear @alextan333
Actually, I am not sure if enable this in BIOS menu, but I will share the driver to you, you can try.