# Sentinel® LDK Run-time Environment Command-line Installer for Windows: Readme

Version 8.21

This document provides information regarding the Run-time Environment Command-line Installer for Sentinel HASP and Sentinel LDK, including enhancements and limitations. Using this installer, you can use HASP4, Hardlock, Sentinel HL, Sentinel HASP, and Sentinel LDK under any of the supported operating systems.

## Operating Systems Supported

> Windows 7 SP1

> Windows 8.1 SP1

> Windows Server 2008 R2 SP1

> Windows Server 2012 R2

>Windows Server 2016

>Windows Server 2019

>Windows 10 IoT Enterprise 2019 LTSC

>Windows 10 Version 20H2

NOTE Windows 10 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.

The latest Release Notes can be seen at: https://docs.sentinel.thalesgroup.com/ldk/LDKdocs/RN