Installation
Just install this extension the usual way like any other TYPO3 extension..
For Free Version
In the TYPO3 Backend, you can simply use the extension manager.
Step 1: Navigate to the “Extension Manager” module.
Step 2: Select “Get the extension” from the dropdown menu.
Step 3: Search with Extension Key “ns_openai”
Step 4: Click on the ” Retrieve/Update ” Button, to Import Extension From repository.
You can Get the Latest Version from typo3.org : https://extensions.typo3.org/extension/ns_openai/ by downloading either the t3x or zip version. Upload the file afterwards in the Extension Manager.

How to Install TYPO3 Extension ns_openai
Extension Installation Via without Composer mode https://youtu.be/SN5HoFQcDM4?si=n47pC_kwuiRH3Aum
Extension Via Composer https://youtu.be/_7ILu4lwU-k?si=YsL5Lk-sZuhZik5_