After installing archicad software, go to the wall tool on the left side of the screen.Click on the wall tool and pull the cursor to the required length of the wall. Continue with the process for all the other rooms. Remember that rooms that relate to each other should be net to each other such as the kitchen should be next to the dining room, the bathroom should be net to the bedrooms.
once you are through with the floor plan, go to the SECTIONS tool. Click on the sections tool and pull the cursor along the outside wall pointing to the inside. Right click and click on the show section/elevation window. You will see the elevation/section of the house.
click on the roof tool and place roof along the wall.
Click on the 3d image tool and view the complete house. You can create an animation of the house by setting the cameras on the 3d image tool.