Please tell me P.S how to add a logo to the picture

Open the image you want to do in PS, select the text tool (there are horizontal text tools and vertical text tools, the difference is whether the text is horizontal or vertical on the screen) at the top of the software Adjust the font, font color, etc. you want to use, write the words you want, then there is a "fx" button in the lower right corner of the software, click to expand, select bevel and embossing, and adjust the corresponding parameters in the window that opens. achieve this effect. Do it yourself and watch as you do it, and you will understand.