How to update Tradestation Titan X to the latest version

To update Titan X to the latest version, click the "T" menu, select Help> Check for updates..., and let the system update.

If a new version is available, the option will appear to update to the latest version.  If no update is available, you'll see a notice stating so, with the current version number displayed as shown here:

You can check which version of Titan X you're running by using "T" Menu / Help / About Titan X. Version info is outlined in red in the example image of the resulting popup, below.