walk-through
noun [ C ]
(also walkthrough) ukusthe act of doing something or checking something in order to find possible problems:
The firm built a model of the laboratory, so that the lab's future users could do a walk-through and make suggestions.
The gas company offers a free walk-through inspection of your home to identify potential savings.
a set of instructions showing you how to use something, for example, new software:
This walkthrough is for members of staff using the software for the first time.