Configuring ProtonVPN

I am looking to start using my VPN service with my Vero 4k+ devices. As an extreme novice to linux, I am not sure where to start and hoping someone may be able to provide some guidance. I have read from the VPN support site, there are 4 options for installing on Linux based systems, but again, need some help picking one and maybe some pointers to potential issues. The link to their site is

Any help is greatly appreciated.

Should be supported by this Kodi Addon

Thank you.