- Linux x86_64: copy libFreebox.so in ~/.local/share/data/QtProject/qtcreator/plugins/4.3.0/
- Windows 32-bits: copy Freebox4.dll in C:\Users\your_user\AppData\Local\QtProject\qtcreator\plugins\4.3.0
- MacOS: copy libFreebox.dylib in ~/Library/Application Support/QtProject/Qt Creator/plugins/4.3.0/