If you absolutely cannot or will not root your phone, here are your real options:
GitHub - etchdroid/etchdroid: An application to write OS images to USB drives, on Android, no root required. DriveDroid drivedroid no root
If you are specifically trying to install Windows from a drive: If you absolutely cannot or will not root
: Connecting your phone to a computer via USB often allows you to bypass folder restrictions and move files into the Data or OBB directories directly from the desktop file explorer. 3. Comparison of Tools DriveDroid EtchDroid / DROFUS Root Required? Yes No Method Emulates a USB drive using phone storage. Writes ISO to a physical USB via OTG. Primary Use Quick rescue/booting without extra hardware. Creating a permanent bootable USB. EtchDroid - GitHub Comparison of Tools DriveDroid EtchDroid / DROFUS Root
Because these actions involve hardware-level kernel features, standard Android security prevents unrooted apps from accessing them. Can You Use DriveDroid Without Root?