Attached is a Self Extract Archive, for Windows computers. (Linux users should be able to use the makefile)
When you run it, it will install all the files you need, into the same folder as you run it. It will also place a shortcut on your desktop. The folder structure is as below.
Physics-Simulator-v1.4.1\
Physics-Simulator-v1.4.1\Physics-Simulator.exe
Physics-Simulator-v1.4.1\SDL2.dll
Physics-Simulator-v1.4.1\SDL2_image.dll
Physics-Simulator-v1.4.1\libgcc_s_dw2-a.dll
Physics-Simulator-v1.4.1\libstdc++-6.dll
Physics-Simulator-v1.4.1\Config.ini
Physics-Simulator-v1.4.1\Docs\
Physics-Simulator-v1.4.1\Docs\ChangeLog.txt
Physics-Simulator-v1.4.1\Docs\Credits.txt
Physics-Simulator-v1.4.1\Docs\License.txt
Physics-Simulator-v1.4.1\Docs\HTML (Doxygen files)
Physics-Simulator-v1.4.1\Docs\LICENSES