There is perhaps no task more repetitive than creating a door frame, cutting a hole in a wall, inserting the door, adding hinges, and then repeating the process for a window. It is time-consuming and prone to errors. This brings us to one of the most searched phrases in the SketchUp community:
The biggest hurdle is cutting the hole in the wall. Here is the native, instant trick using the Pilot feature (Inferencing). instant door and window sketchup free