Download the current distribution of Lightstreamer Allegro/Presto/Vivace:

Windows Distribution (zip) [15.3 MB] UNIX/Linux Distribution (tar.gz) [14.6 MB]

By downloading the distributions you agree to the terms of this Software License Agreement.

Extract the content of the archive to your hard drive (need to know how to extract the archive?). To start Lightstreamer Server, you need a proper License. Click on the link below to get an Evaluation License. Otherwise contact info@lightstreamer.com to get a Prod, Dev or Demo Licenses.

Get Your Evaluation License Now

An Evaluation License gives you the possibility to try the Lightstreamer software for free for 30 days (if you need an extension, just contact us).

You can choose the edition to evaluate (Allegro, Presto or Vivace) and change it at any time by editing the <lightstreamer_edition> element in the lightstreamer_conf.xml configuration file.

By clicking on the link above you will receive your personal ClientID, needed to run Lightstreamer Server. Follow the GETTING_STARTED.TXT file instructions (located in the root folder of your installation of Lightstreamer software) to complete the installation and get started.

In order to check the license validity and enable its use, Lightstreamer Server will need to perform a connection to our license servers through the Internet once a day.