Software Requirements
- PHP >= 8.0
- Grav CMS >= 1.7.0 (included in the skeleton package)
- Grav Premium Helios Theme – one license per site (Standard or Team)
Note
The Grav Premium Helios theme requires a paid license – one license per site. Purchasing the Helios theme directly supports the open-source Grav CMS project.
Grav Premium Helios Theme
A commercial theme for Grav CMS that provides the reader layout, sidebar navigation, versioning support, and Admin Panel styling used by Helios Open Reader. Available at getgrav.org/premium/helios. Standard and Team license tiers are available.
Pre-flight Checklist
Before starting the installation, confirm the following:
- Your web server meets Grav's requirements (PHP 8.0 or higher)
- You have your web server login credentials ready (username and password)
- You have purchased (or are ready to purchase) a Grav Premium Helios theme license