You can play VivacityMc 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 VivacityMc IP Address 158.69.121.112in the “Server Address” and the VivacityMc port 19132 in the “Port.” Then press “Save” and start playing.