
After extract, you can execute sweethome3d to run.
You can download the latest tar file from the below link and extract. Sweet Home 3D is a Java-based application.
Other minor bugs fixes and enhancements. Improved drawing order of transparent objects in Sweet Home 3D JS Viewer. Fixed an issue in Sweet Home 3D JS Viewer which prevented touch management to work correctly under iOS. Added support for editing home plans in Sweet Home 3D JS with the ability to save modified homes on a JSP server. Added IDs to home objects which may be modified. Fixed a bug in redoing dimension line resizing. Improved resolution scale management in the plan for HiDPI screens under Java 8. Detailed changelog available here, Changes in Sweet Home 3D 6.4 The latest version of Sweet Home 3D brings major feature updates and improvements. Extend the features of Sweet Home 3D with plug-ins programmed in Java, or by developing a derived version based on its Model View Controller (MVC) architecture. Print and export PDFs, bitmap or vector graphics images, videos and 3D files in standard file formats. Import home blueprint to draw walls upon it, 3D models to complete default catalog, and textures to customize surfaces.
Create photorealistic images and videos with the ability to customize lights and control sunlight effect according to the time of day and geographic location. Annotate the plan with room areas, dimension lines, texts and show the North direction with a compass rose. While designing the home in 2D, simultaneously view it in 3D from an aerial point of view, or navigate into it from a virtual visitor point of view. Change color, texture, size, thickness, location and orientation of furniture, walls, floors and ceilings. Add furniture to the plan from a searchable and extensible catalog organized by categories such as kitchen, living room, bedroom, bathroom.
Insert doors and windows in walls by dragging them in the plan. Install Sweet Home 3D as Flatpak package.