InstallationWindows: just download exe file and save it to safe place.
Install commands under Linux with Qt5 (Prefered):
sudo apt-get install g++ libssl-dev libglu1-mesa-dev qt5-qmake qtscript5-dev qtmultimedia5-dev
export QT_SELECT=5
qmake QtBitcoinTrader_Desktop.pro
make && make install && make clean