There’s handy tutorial videos to quickly help you learn your way around the features and loads more on Youtube for specific bits and pieces. Just go to the website, download it and away you go. It’s the free version of SketchUp Pro and is a great tool for basic 3D modeling. If you are looking for something to start playing with layout and design ideas then have a look at Sketchup. Programs range from free online 3D modelling tools to expensive professional computer aided design packages. House design software or computer aided design (CAD) can be a useful tool whether you are taking on part of your home design or just want to use it to play with ideas before talking to a professional.