Helpful information before you start working with T4 Joomla template framework.
Access T4 working panel
To access working panel of T4 Blank template (or any template built with T4 Framework), from your site back-end, go to Extensions > Templates and open T4 Blank template style.
Enable Dark Mode
T4 Framework working panel supports dark color theme. To enable the Dark Mode, from the setting panel, enable the Dark Mode option on the toolbar bottom.
Create new T4 template style
For each T4 template, you can create multiple template styles with different settings and assign to specific menu items.
To create new template style, you can duplicate the default style or you can save as copy in setting panel of any style.
Or Save as Copy
Enable Development Mode
When you are developing your site, you should enable this option so any update you made will be instantly displayed, no cache.
To enable or disable this option, go to System > Global Configuration > System and find the option Devlopement Mode.
And when you are not developing your site, you should disable the option to activate T4 cache and improve your site performance.