If your computer fails to boot into Windows, you need to "download" the Windows 10 Media Creation Tool to create a repair drive.
The machine paused. A single line appeared: bootloader download windows 10
Download the Windows 10 Media Creation Tool directly from Microsoft. If your computer fails to boot into Windows,
Store that file on a USB drive or cloud storage. If the bootloader breaks in the future, you can restore it via recovery USB with: bootloader download windows 10
diskpart list disk select disk 0 list partition