xFlow contains an automated upgrade / module installation feature, which is linked directly to the Envex Developments upgrade server. You can view all upgrades and modules that are available through the
Setup->Install Upgrades / Modules menu. Click on the
"Retrieve Upgrade / Module" submit button, and xFlow will contact the Envex Developments upgrade server, and retrieve information on all upgrades and modules available to you.
5.6.1 Install Modules
The first section on the next page lists all modules available to you, and looks like:

Select the module you would like to install, and click on the
"Install Module" submit button. The module will be queued for installation on your server, and will be automatically installed on your server within 30 minutes. You can uninstall an already installed module at any time through the first page of the
Setup->Install Upgrades / Modules menu.
5.6.2 Install Upgrades
The second section on this page lists the upgrades available for each installed module, including the main xFlow, and looks like:

For each installed module, the table shows the version your server is currently running, the latest stable version as received from the Envex Developments upgrade server, and the version that is available to you. If there are upgrades available for a module, a checkbox will appear in the first column. Select which module(s) you would like to upgrade, and click on the
"Install Selected Upgrades" submit button. The upgrades will be automatically installed on your server within 30 minutes.