Simply cast your desktop screen to a Promys device.
Get the executable, double-click it. There you go.
Get the DMG file. Open it, double click the application. You can also drag and drop it anywhere on your Mac.
Get the deb package. Install it with: # sudo dpkg -i promys.deb
# sudo dpkg -i promys.deb
Get the rpm package. Install it with: # sudo rpm -i promys.rpm
# sudo rpm -i promys.rpm