Hi Sonia, are you trying to build a step stool or steps to a door?
Here are some posts that may help you with steps and help with a step stool.
Hi Sonia, are you wanting to build it out of wood or concrete?
Here are some ideas: https://www.hometalk.com/search/posts?filter=Steps
Sonia: This article may help
Here is how to build cinder block stairs: https://www.youtube.com/watch?v=oQarffxZJ1Y
here is more info for your project
If it’s the first thing your feet walking out an exterior door, it can’t be a step. It has to be a “landing” or pad that is as wide & deep as the door is wide.
Example: the side exterior door is 32” wide- therefore the width and depth of the landing is 32x32”.
Here's how to build porch steps. https://www.hometalk.com/38637449/how-to-build-deck-stairs-from-pressure-treated-lumber
Hi Sonia: If you have a lot of steps, more than 1, you can buy things called stringers that you put boards on. Do you want these to be free standing or attached to a wall? Check these sites: