No tool running inside Windows can safely shrink or extend the system drive. Boot from the ISO. Right-click the C: drive, select “Move/Resize,” drag the handle, and click OK. Apply the change. Reboot. You have resized your system partition safely.

: While the Minitool Partition Wizard Technician 9.1 Bootable ISO is a professional tool, it is copyrighted software. Using it without a legitimate license, downloading from torrent sites or unauthorized file-sharing platforms, is software piracy. This article is for educational and informational purposes only. Always purchase a license from the official MiniTool Software website to support the developers and ensure you are using a clean, malware-free version.

I held it up. The label was peeling, but the faded sharpie ink was still legible:

Users can merge, split, resize, and extend partitions more easily and safely compared to older versions.

Insert the drive into the target computer and restart. Enter the