What is the origin of the idiom "step into one's shoes" and when to use it?

The phrase "step into one's shoes" originated in the 16th century and referred to the act of taking over someone else's job or position. The term "shoes" is used metaphorically to represent the role or responsibilities of the person being replaced. It is often used in work or professional contexts, where someone may need to replace a colleague who is leaving or retiring.