What are the watermark removal methods?

Taking the use of PS software as an example, the methods to remove the image watermark are as follows:

1. Import pictures into PS.

2. Select the Stamp Imitation Tool, while holding down Alt and adding the left mouse button.

3. Select a background similar to the place covered by the watermark, and then hold down the left mouse button and brush left and right until the watermark is completely covered.