This approach should help you find what you're looking for or at least guide you on how to ask for help.
"Dear Sinova Electric Support Team,
Thank you for your assistance.
I am looking for the software or firmware for my [device name/model] that was released in 2018. Could you please provide me with a download link or instructions on how to obtain it? dks sinova electric 2018 download
Best regards, [Your Name]"