How to use Generative Fill in Photoshop. 1-Selection+Prompt. -Deeply discuss about the feature of Photoshop's AI function, such as how to use the shape and opacity of selection guide AI and control the variation of generated results. -Create different selection's shape and then use Generative Fill to generate the individual variation. -Using quick mask or new channel to create the unique opacity of selection to guide AI generate variation that can blend with background. 2-AI remove+Remove Tool. -Comprehensive analysis how to using Generative Fill to remove something. -New workflow: Generative Fill+Remove tool+Clone stamp tool+Material -Compare: Generative Fill Vs Remove tool 3-Generative Expand -How to use Generative Expand. -How to solve the image quality issue after apply Generative Expand. -How to deal with the original content impact the result of Generative Expand. -How to merge multi-photos by using Generative Expand. 4-How to build new AI workflow in composition.