Instantiate(myPrefab, new Vector3(0, 0, 0), Quaternion.identity);
GameObject prefab = reference_to_your_prefab_asset;
Vector3 position = Vector3.zero;
Quaternion rotation = Quaternion.identity;
Transform parent = parent_of_instantiated_prefab;
Instantiate(prefab, position, rotation, parent);
To create a Prefab Asset, drag a GameObject
from the Hierarchy window into the Project window.