You can play ReZoMC 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 ReZoMC IP Address 51.81.142.45in the “Server Address” and the ReZoMC port 19132 in the “Port.” Then press “Save” and start playing.