Perform user interactions in the system context

Usage of ServiceUI

ServiceUIx64.exe can be used to execute a certain part of a script in the user context, even though you execute the main script in the system context.

ServiceUI.exe -process:TSProgressUI.exe %windir%\sysnative\WindowsPowerShell\v1.0\powershell.exe -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -nologo -File <scriptpath>

Link collection

Use ServiceUI With Intune To Bring SYSTEM Process To Interactive Mode HTMD Blog (anoopcnair.com)

How to display a custom window in SCCM Task Sequence using PowerShell | Slightly Overcomplicated