# Sentinel LDK Run-time Environment Installer GUI for Windows: Readme

Version 10.21

This document provides information regarding the Run-time Environment Installer GUI for Sentinel LDK and Sentinel HASP, including supported operating systems, enhancements, known compatibility issue, and issues resolved.

## Operating Systems Supported

x86 and x64 versions of the following;

>Windows Server IoT 2019

>Windows Server 2022

>Windows Server IoT 2022

>Windows Server 2025

>Windows Server IoT 2025

>Windows 10 IoT Enterprise 2021 LTSC

>Windows 11 IoT Enterprise 2024 LTSC

>Windows 11 23H2

>Windows 11 24H2

>Windows 11 ARM 24H2

NOTE Windows Insider Preview builds are not supported.

The operating system versions listed in this section were tested by Thales and verified to be fully compatible with Sentinel LDK. For reasons of compatibility and security, Thales recommends that you always keep your operating system up to date with the latest fixes and service packs.

The installer detects the version of the operating system at run-time, before installing the relevant drivers.

## Virtual Environments Supported

For a list of the virtual environments supported, see "Supported Platforms for End Users" in the Sentinel LDK Release Notes (for Sentinel EMS or Sentinel LDK-EMS) .