# Requirements

Publisher requires the following system requirements:

* ExpressionEngine 6.4 or greater
* PHP 8.2 or greater
* PHP Multibyte modules

The following third-party add-ons are natively supported by Publisher, but they must be of the versions noted.

* Structure 5.2+
* Assets 4.1+
* Bloqs 5.0+

The following first-party add-ons/fieldtypes are *not* supportred by Publisher.

* Fluid Field ([read more about this](https://boldminded.com/news/publisher-and-fluid-the-final-stand))

Known third-party add-ons that work with Publisher.

* SEO Lite
* Store
* Carthrob
* URL Helper
* [Many more (read FAQs)](https://app.gitbook.com/s/-Ly1eNBG1JvS5rivVtg3/publisher/faqs)

Third-party add-ons that are not supported now, or in the future.

* Matrix
* Playa