To install the beta version of Helio, you can download the client here on our website.
After installing the app, there is a switch to the beta version:
Helio Render Client
Afterward, confirm the selection - note: you can always switch back to the more stable production mode.
The latest beta version gets downloaded and installed automatically.
Confirm the switch again: "Change Release Channel"
After the login with your credentials, you're now on the beta version. Indicated by a small ribbon: