How long do a stent surgery take to recover?

Depends what type. There are many different types of stents, that generally go in many of the tubular shaped structures in your body. They can be placed in arteries, gasto-intestinal tract, urogenital tract . . . Etc. duration of recovery depends on type, location, complexity, danger of condition/procedure, and operator preference. Speak with performing doctor about recovery, risks, and potential complications.