An essential step towards automating the Windows setup process is replacing the system drive's interactive partitioning with a script. Microsoft's examples for this purpose rely on batch files and Diskpart. However, installing PowerShell in Windows PE allows for a much more elegant solution.

Dev Drive is a new feature in Windows 11 23H2, also included in the preview of Windows Server 2025. It is a drive based on ReFS, specifically designed for the requirements of developers and IT professionals. It offers enhanced control over volume settings and file system filters.