This instruction can be performed after you have logged into the Windows environment via Parallels.
Download the compatible M1 driver using the link below.
https://ftdichip.com/wp-content/uploads/2022/02/CDM-v2.12.36.4-for-ARM64-SignedDistributable.zip
Unzip the content of the folder.
With the hardware connected, navigate to the Device Manager. This can be found using the Windows search bar.
Right click on Accu-Gold and select “Update Driver” then click “Browse my computer for driver”
Navigate to the path of the unzipped driver folder, select the driver file, and click ok.
The hardware should then show up as USB serial converter as shown below.
After the driver has been installed you can download and install Accu-Gold 2 using the link below.
https://radcal.com/download-accu-gold-software/
When the device is recognized, you can launch Accu-Gold 2 and initialize the hardware.