Download the most recent build of GMS, upgrade your installation or start a free 28-day trial. GMS software is available for a wide range of operating systems and will run on either Windows or Linux platforms. Download the information you require to get started with GMS.

To start your download, select your category below, and click on the red button to access the required file.

Download GMS


Windows – Version 19.05 Build 6485


GMS for Windows

Linux – Version 19.05 Build 6449


GMS for Linux

Download GMS Outlook Addin




Outlook 2013/2016 (32bit)

Outlook 2013/2016 (64bit)

Outlook 2010 (32bit)

Outlook 2010 (64bit)

Outlook 2007

Download GMS Instant Messenger Client




GMS Instant Messenger

Download the GMS Manuals


The following download includes all the administrator and user guides for the GMS product suite
GMS Manuals

Release Notes

Release Notes


PST Migration Tool

Download previous versions


Previous versions of GMS can be downloaded from our FTP site

If you’re looking for downloads related to our Softalk products click here