Sadly, the Windows version of the VictronConnect software does not support bluetooth. It requires a wired VE.direct connection to connect to most devices. If you have a cerbo, I think it will connect to that with Wifi.Yes, see https://www.victronenergy.com/panel-systems-remote-monitoring/victronconnect/downloads
which give you links to the Android, iOS, macOS, and Windows VictronConnect software.
4. Phone, tablet and laptop compatibility
www.victronenergy.com