Hello, this is Emily.
Unfortunately there's no trial version. Also, once you upgrade to Pro and want to go back to Home, it requires a full clean install, meaning it wipes all your data and requires data backup.
If you are planning on accessing it remotely from different network, remote desktop app is not meant for that, it requires router configuration, which can get complex.
Have you looked into other option, such as Teamsviewer and Splashtop? They have free option for personal use I believe, and doesn't require additional router configuration if you are accessing it from different network.