Windows 11 Configuration for Dell QBS1250 - Windows 11 Configuration for Dell QBS1250 - General Documents - General Documents - This document describes the Windows settings in addition to those used by default for the DELL™ QBS1250 Pro Slim Plus (P/N BRE0068916) running Microsoft® Windows® 11 IoT 2024 Enterprise LTSC. The PCs shipped will already have an activated Windows 11 Operating System preconfigured for general use at Thermo Fisher Scientific.