Augmented URLs display previews of your themes as you customize them without allowing visitors to see your work in progress.
To customize a default WHMCS theme or template, copy the provided Git™ repository on GitHub™. Using this method helps make updating your customizations for future WHMCS versions quicker and easier.
Custom hemes and templates alter the Client Area's appearance to match your branding and tailor your offerings to your business's needs.
Easily update your Git™-managed customizations with each new release's changes to default themes and templates. This method often removes the need for manual updates to apply changes.
System theme template files require a correct system URL for AJAX calls to function correctly and to find and access required resources.
The system theme controls the appearance of the Client Area and your online store.