Method 1 of importing files: We open ps, click "File", and then click "Open". On the left side of the pop-up dialog, ...

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Then find and left-click the material picture on the right, and that's it.

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Method 2: After opening ps, click and hold the material picture on the desktop, drag it to the ps window, and release the mouse to export the file.

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After opening the material picture, we take the exported picture as an example, left-click "File" and then click "Save As".