In both cases, double-click on the downloaded file and run Sweet Home 3D application found in the opened folder. Under Mac OS X 10.4 to 10.8, download this installer Run the downloaded installation program, and follow the instructions from the installation wizard. If you don't want to care about the Java configuration of your system, click on one of the following links to download anĪll-in-one Sweet Home 3D installer bundled with Java: Windows installer