Adobe Commerce 2.3 reached end of support in September 2022.

Installation

To install the Magento PHPStorm plugin:

Download the plugin from the PHPStorm Marketplace.
Or alternatively, you can install it from your PHPStorm screen. Navigate to Preferences > Plugins and select Magento PHPStorm.

After the installation, it is necessary to enable the integration with Magento:

Go to Preferences > Frameworks.
Select the Enable Magento Integration checkbox. See Install PHPStorm plugin topic for more information.

You also need to provide:

Magento installation path
Adobe Commerce version (i.e., 2.4.1)
Default license name for new modules (by default, Proprietary)

See the video tutorial Using the Upgrade Compatibility Tool on PHP Storm page for more information about the Magento PHPStorm plugin.