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Download Center

Welcome to the download section and thank you for your interest in our instant messaging products.

You are about to download a fully functional 45-day trial copy of the software for your free evaluation. Please check the list of limitations of the trial version.

  • Unlimited users in database
  • Unlimited instant messages and file transfers
  • No hidden or disabled features/functionality
  • Supports 100 concurrent connections from Bopup Messenger
  • Supports 100 concurrent connections from Bopup Observer
After trial expiration the communication server continues to work and switches to a free limited mode. It restricts the length of instant messages to 45 symbols and limits the size of transmitted files to 1 Mb.

How to Update Existing Versions of the IM Software?

Our software, both the IM server and client messengers, is based on a flexible installation engine offering an easy and fast patching/upgrading without uninstalling the software. If you already use the software, you do not have to uninstall it in order to install a new version. Read more on How to apply patches and upgrades "on-the-fly".

Bopup Communication Server

 What's new in version 5.12.1.18184?

IM Server + SQL Server 2014 Express
Download (174M)
IM Server + SQL Server 2019 Express
Download (256M)
This setup package ships with 64-bit version of SQL server that can be installed with the software. Designed for latest Windows 10/11 and Windows Server 2016/2019/2022.

IM Server + SQL Server 2008 Express
Download (113M)
This setup package ships with SQL server that can be installed with the software. Compatible with Windows 7/8/2008/2012.

IM Server + SQL Server 2005 Express
Download ( 62M)
This setup package ships with SQL server that can be installed with the software. Compatible with Windows 7/2008 R2 and all prior versions.

IM Server only
Download (7.2M)
This package requires a pre-installed Microsoft SQL server. It can be used for upgrade purposes of existing instances of the IM server.

IM Server (Postgres servers)
Download ( 15M)
This package supports PostgreSQL/Postgres Pro database servers.

Bopup Messenger
What's new in version 7.6.1.15733?

Multilingual version Download (3.3M)
Contains English, Spanish, German, Dutch, Italian, French and Russian localizations.
Read documentation topic on how to switch language on installation and upgrade.




Bopup Messenger
Version 1.10.3, requires Android 10 and higher
Download (2.1M)
Download from Google Play


Download from Samsung Galaxy Store

Bopup Observer
What's new in version 6.2.4.9826?

Multilingual version Download (2.3M)
Contains English, Spanish, German, Dutch, Italian, French and Russian localizations.
Read documentation topic on how to switch language on installation and upgrade.

Toolkits & Utilities

Bopup IM Client SDK

 Version 1.3.0

Built for software companies and individual developers that want to implement his own IM client app for Windows using our communication server.

Download (2.1M)

IM Client Configuration Tool

This Setup.ini configuration file is designed to be used for the automated installation of the client software or/and installation via Active Directory Group Policies. Using this file it is possible to set pre-defined and/or non-changed options for the instant messenger clients. For more information refer to the Tools. IM Client Configuration Tool page of Bopup Communication Server product documentation.

You can also download Configuration Tool to easily create new or edit existing Setup.ini files. This handy tool sets the settings via graphic interface that is similar to the Options dialog box of the instant messengers.

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Bopup IM is a client/server instant messaging system that offers secure chat and encrypted text messaging for companies and wide-range of businesses. Software includes Bopup Communication Server which provides management options and log of message history, and Bopup Messenger — LAN instant messenger
with support of broadcast messages, Microsoft domain networks, Citrix/Terminal servers and real-time chat over Internet.