1. Installing Python3

1.1 Windows

• Download Python for Windows
• Start the installer
• Select "Add Python 3.6 to PATH"
• Click "Customize installation"
• Uncheck "Documentation", "tcl/tk and IDLE", "Python test suite" and click "Next"
• Click Install and wait for it to finish

1.2 Linux

• Use your package manager (apt/yum/aptitude) to install python3 and pyhon3-pip

sudo apt-get install python3 python3-pip

2. Installing the server

2.1 Windows

• Download and unzip the server
• Open a command prompt in the unziped folder where the file "setup.py" is located
• Type "python setup.py install" and press Enter

2.2 Linux

• Open a terminal
• Install git: sudo apt-get install git
• Install the server: sudo pip3 install git+https://github.com/dpallot/simple-websocket-server.git