panasonic CF-30

[Idylles15.5]

I have a CF-30 which has been overhauled. Windows 10 and a ton of Storage. I have a complete Furuno system on my boat, but would also like to use this as a back up and connect to my ssb for mail. My CF-30 has the navigator on it if anyone is familiar with that. I don't know if thats useful at all, looks more like a positioning system for a military option. My question is what is the latest and best navigation software I can run on this computer, and do I need to get a separate gps antenna for it. Any info would be appreciated. I'm not computer savvy lol. Thanks

[Idylles15.5]

Oh, I also have a hand held Garmin GPSmap 78sc. Can that be hooked up and used as the antenna? or can I use the laptop screen as a larger screen for it? Just asking