WinPopup Express let you send and exchange messages within your local network. Secure (not connected to the internet), reliable and easily accessible, this software is available for all versions of Windows. WinPopup Express allows you to send and receive short messages instantaneously to and from all other users of your network. No knowledge of computers is necessary to install and use this software. Thanks to its standardized interface, its set-up is immediate and doesn't require any server or hardware configuration.