You can play FantasyRealm by adding the server in the Minecraft launcher.
On Minecraft Bedrock Edition, open the Minecraft launcher or Minecraft app. Go to the “Servers” tab and press “Add Server.” Enter the FantasyRealm IP Address FantasyRealmMC.comin the “Server Address” and the FantasyRealm port 19132 in the “Port.” Then press “Save” and start playing.