When you want to merge images in Photoshop, you need to use the Merge Image command. This command allows you to combine two or more images into a single image. To merge images using the Merge Image command, follow these steps:

  1. Choose the Images tab and click on the Merge Images button.
  2. In the merged image, you will see a list of all the images that were used in the merger. You can select any of these images by clicking on it and then clicking on the OK button.
  3. When you have selected all of the images that were used in the merger, click on the OK button again to merge them into one image.