Aerosoft Airbus X A320 A321 for P3D V4 64bit
CPfligth FCU320 and both EFIS are now compatible with Aerosoft A320 A321for P3D 64 bit.
From this web page https://www.cpflight.com/docs/prodotti/34/FCU320_Getting_Started.pdf
please read carefully the document FCU320_Getting_Started.pdf