The answer lies in what you cannot do inside a live OS. When you run Partition Wizard from your installed Windows, Windows locks critical system partitions (like C:). You cannot fully format, shrink beyond a certain point, or move the boot partition while Windows is using it.
Though newer versions exist, version 10.2.3 remains a "cult classic" for many technicians due to its stability and specific feature set: FULL MiniTool Partition Wizard 10.2.3 Technician WinPE ISO
Integrated tool to create your bootable recovery environment. Use Cases for IT Professionals The answer lies in what you cannot do inside a live OS
Use a tool like Rufus to "burn" the ISO onto a USB flash drive. Though newer versions exist, version 10
MiniTool Partition Wizard 10.2.3 Technician WinPE ISO is a bootable ISO image that allows users to manage disk partitions, resize partitions, and perform various disk operations in a Windows Preinstallation Environment (WinPE). The software is designed to work independently of the operating system, making it an ideal solution for managing disk partitions on computers that are not functional or are experiencing issues.