photoshop how to insert the picture?

now edit a file, for example, need to open ps inserted

the picture and then use the arrow tool to direct Drag the image to edit the document can be the simplest way is to drag in the browser image to open the PS in the main picture, and then opened to insert into the picture, CTRL + A Select All, CTRL + C, copy, and back To the main picture on the CTRL + V to paste, and then moved to the right tools to move the location of a can! Can be dragged directly into the mobile tool! To open a number of documents, direct drag and drop