The xTuple Updater is a package installer. It is a cross-platform application which connects to your xTuple ERP database and installs xtConnect and other extension packages. The Updater is the same tool that is used for upgrading xTuple ERP databases from one version to the next.
The Updater tool can also be downloaded from the xTuple Customer portal:
Point your web browser to https://portal.xtuple.com/
Log in to the web site
Click on the DOWNLOAD tab
Locate the Updater
directory
Specify the latest version
Select the file appropriate for your platform and download
Please refer to the xTuple Compatibility Matrix if you have concerns about appropriate versions.