When using a bootable USB to manipulate partitions, the risk of catastrophic data loss is significant.
(Assumes you have Windows and EaseUS Partition Master installed.) easeus partition master bootable usb
From EaseUS Partition Master:
Alternative: Manually create WinPE USB and add the app When using a bootable USB to manipulate partitions,
Booting from the USB:
The bootable version includes a “Partition Recovery” wizard. Accidentally deleted your only partition? Boot from USB, scan the disk, and recover the lost partition structure instantly. (Assumes you have Windows and EaseUS Partition Master