Why can't I install Groove Agent 4

Why can’t I install Groove Agent 4 on my Macbook Air 2013 with macOS 11.7.6 and Windows 10 on PC? Key license available!
Screenshot 2023-04-29 at 07.51.25

Please make sure that you’re using the full installer (7 GB). Update installers often require the software to already be installed to work.