First of all, it requires a polyhouse covering a small space as the farming is done vertically.
Install an aeroponic farming system with the help of those experienced in the field or make one of your own under their guidance.
Plant healthy potato seeds in foam stuffed tiny pots and hang them in a position where they receive sunlight.
In a few days, the roots will show. Make sure it touches the water below it.
At definite intervals, mix nutrients in the water.