RV park free wired internet good for only 1 laptop question

This is very simple but most people dont think or know how to do this wifi or wired ..Simply a WiFi repeater .. a router with software that lets you log into the parks wifi ( the one passcode you have ) the park sees it as one device then your router repeats it as your own secure network that all your devices can join. there are many ( almost all routers can be configured this way) .. some easier than others, some are designed specially for this.

example link