Install CyberPanel

Hello guys…
Im new on CP.
I’ve some questions :

1). my VPS now ready filemanager (but no panel). so, if I install CyberPanel what url access filemanager?
2). I saw free version only for RAM 2GB but my VPS 16GB. I cant understand about this. please…

but I cant install in Debian 10. my VPS using debian 10