You can play Helios by adding the server in the Minecraft launcher.
On Minecraft Java Edition, open the Minecraft launcher. Click “Multiplayer” and then “Add Server” and enter the Helios IP Address play.heliosmc.co.uk in the “Server Address”. Then press “Done” and start playing.
For Minecraft Java Edition, the Helios IP is play.heliosmc.co.uk.
To join Helios, follow the instructions on how to play above.
To vote for Helios, click the vote button at the top of the page. Then enter your Minecraft username and click “Vote”.
The website for Helios is https://heliosmc.co.uk.