20 GB (Lite versions often take up as little as 8-10 GB). Graphics: DirectX 9 or later with WDDM 1.0 driver. Who is this for?

This denotes the 64-bit architecture, which is required to utilize more than 4 GB of RAM and run modern 64-bit software.

While the advantages sound tempting, using a "preactivated lite" build carries severe risks:

Windows 10 Enterprise LTSC 2019 x64 en-us Preactivated Lite: A Detailed Overview

This specifies that the default system language and regional setting is English (United States).

A pre-activated version of Windows 10 means that the operating system has already been activated with a valid product key, so you don't need to enter a key during installation.

Start with a clean, official Windows 10 LTSC install and use open-source tools like Chris Titus Tech's Windows Utility to disable telemetry and remove unnecessary items. This allows you to keep Windows Defender and security updates active.

You can customize your own installation image or debloat an active installation using open-source, community-vetted tools. Popular options include: