IN this article we can show how to add watermark to photo using photoshop.
First open adobe photoshop and create new project and give a name what you want.
now new project created. then simply drag and drop image to photoshop and hit the "Enter" button.
In left bar click "T" icon and click Horizontal type tool.
place it where you want to place it.
And you should clear this box using following command.
ctrl+a for select all letters
press "backspace" for clear all letters.
now you can type in the box what you want.
Also you can change font, font size.
This is basic method. You can try different methods and enjoy.
Good Day!