A mockup is a full-size model of a design or device, used for product presentations or other purposes.
Think of it as a means of showing off what your design will actually look like when it’s put out into the real world. as per tut+ website.
Depending on your skills and time, you can go through the process of creating your own mockup using dedicated graphics software such as Adobe Illustrator or Photoshop,
but sometimes you might be better off using more basic tools like the Photoshop software made by adobe corporation
Here at mockupo we design distribute mockups . we also collect free mockups made by designer around the world.