– Create a stripped-down Windows 7 that loads entirely into RAM (4 GB) – runs extremely fast and resets on reboot.
Running DISM commands to repair a corrupted Windows installation.
[BIOS/UEFI Init] ➔ [Grub4DOS / Ventoy Menu] ➔ [NTBOOT7Z Script Executed] │ [Windows Desktop Ready] [WinPE / Native Boot] [Mounts .7z Archive to RAM/VHD]
title Boot Windows 10 PE from 7z archive find --set-root /boot/win10pe.7z map --mem /boot/win10pe.7z (hd0) map --hook ntboot7z (hd0,0)/bootmgr boot ntboot7z
Typically bundled inside target payloads like w10pe_C_NTBOOT.7z . When executed via commands, it allows standard system storage disks to format, split partitions, and initialize a complete WinPE recovery station dynamically.
# Inside a full Windows install (sysprepped for portability) 7z a -mx=9 win10.7z C:\
Since it is often distributed through technician forums and specialized PE builds (like Hiren’s BootCD or Sergei Strelec), ensure you are downloading it from a reputable source to avoid malware. Conclusion – Create a stripped-down Windows 7 that loads
Can I customize the bootable USB drive? Yes, ntboot7z allows users to customize the bootable USB drive, including setting a custom boot logo, menu, and more.
Let’s walk through the process of creating your first bootable Windows .7z archive.
: It allocates a portion of the system RAM to act as a virtual disk. When executed via commands, it allows standard system
The "7z" suffix typically refers to a version of the NTBOOT script that has been compressed or packaged using 7-Zip to save space on bootable USB drives. Its primary function is to:
Tools like and iVentoy use ntboot7z to let you store dozens of Windows installations on a single 128 GB or 256 GB USB stick. Instead of partitioning the drive 10 times, you just drop ten .7z files into a folder. Need Windows 10 LTSC, Windows 11 Pro, and Windows 7? Drag and drop the archives.