After MacOSX update my friend gets a meesage saying that it cannot open because Apple cannot check it for malicious software.

this software needs to be updated. contact the developer for more information.

For vanilla ubuntu gnome the following worked for me.
1.1.1 In this new folder double click on SweetHome3D file and choose „Execute”; Will show up a new SH3D project
The execute step is the one shared in the downloads page by @puybaret
https://askubuntu.com/questions/286621/how-do-i-run ...

For vanilla ubuntu gnome the following worked for me.
1.1.1 In this new folder double click on SweetHome3D file and choose „Execute”; Will show up a new SH3D project
The execute step is the one shared in the downloads page by @puybaret
https://askubuntu.com/questions/286621/how-do-i-run-executable ...

I want to work with some people remotely on interior design. I am guessing that I need the online version.

I followed the recommendation of installing webstart first and running with the javaws command. I am guessing the webstart version is what allows me to use the online version. http://www ...