No Generate texture button?

I just installed Substance Sampler 3D. Before that, i took a look on some guides on Youtube, and all of the people there had a button "Generative" on their left toolbar, which allowed them to write a prompt and generate textures for further work.

I dont have this button in my app, even though i have updated it to the last version, and even reinstalled the app. 

Why can this be? How can i generate textures in the app?

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