|Not a thing to be embarrassed about.|
Buy and install a router that has vpn capability and a vpn client. Configure your lan by following the routers manual.
To gain access to your home pc when on the road you must first enable RDP access. You can google that.
You would install the vpn client software on your laptop. You would configure it to access your router per the routers manual. You would get on the internet, start your vpn client software and authenicate to the router. Next you would start a RDP session and connect to your home pc.
You will have to become knowledgable about this or get someone else who is to set this up for you.