Schneider Electric typically provides the software through localized support portals rather than a central "buy now" link, as it is now considered maintenance software.
Version 4.51 was the final major iteration, designed to support a wide array of Magelis text and graphical terminals. Xbt L1000 V4 51 Download
It works with protocol drivers like UNITELWAY , Modbus, and Siemens MPI (specifically recommended for XBTF models with Celeron/ROHS boards). System Requirements and OS Compatibility Key Features and Supported Hardware Because XBT L1000
Compatible with models including XBT-F, XBT-FC, XBT-E, XBT-H, XBT-HM, XBT-P , and XBT-PM . Xbt L1000 V4 51 Download
You can often find the XBT L1000 V4.51 zip file attached to official technical support FAQs, such as the Schneider Electric Brasil Support Page .
Other regional sites like Schneider Electric USA list the product for reference and documentation purposes. Key Features and Supported Hardware
Because XBT L1000 is legacy software, running it on modern hardware requires specific considerations.