This is a Windows Pre-installation Environment (WinPE) created by a known community developer named Gandalf. It is a "Live" operating system that runs entirely from RAM (via a USB drive or ISO). It is not a replacement for a full Windows install, but rather a powerful rescue and diagnostics toolkit.
The "Redstone 9 Spring 2025" designation indicates it is built on the Windows 11 24H2 kernel (Redstone 9 being the internal development codename for the 24H2 branch), ensuring support for the latest hardware and drivers.
In the world of PC maintenance, data recovery, and malware remediation, a trusted Windows Preinstallation Environment (WinPE) is indispensable. Among the most renowned custom builds is the series by the developer known as "Gandalf." The Spring 2025 release—Gandalf’s Windows 11 PE x64 Redstone 9—represents a significant evolution, blending the foundation of Windows 11’s 2025 update with a vast arsenal of portable utilities. gandalf%E2%80%99s windows 11 pe x64 redstone 9 spring 2025
Compared to earlier 2023/2024 releases, this version introduces:
This release is not a minor bugfix. It introduces several major improvements over the 2024 editions. Context: What is this
The Spring 2025 release is distributed via torrent (magnet link) and direct download on major recovery forums (such as Reboot.pro, The Gandalf WinPE Project homepage, and Ru-Board). Look for the file named:
Gandalf_Win11PE_Redstone9_Spring2025_x64.iso
Verify SHA-256 once downloaded (hash provided on official thread). Part 3: Key Features & What’s New in
| Feature | Gandalf Win11 PE Spring 2025 | Hiren’s BootCD PE (Win10 based) | Sergei Strelec’s WinPE | |---------|------------------------------|--------------------------------|------------------------| | Windows Version | 11 24H2 | 10 22H2 | 11 23H2 | | UEFI Secure Boot | Supported (signed bootloader) | Partial | Manual intervention needed | | NVMe/PCIe 5.0 drivers | Yes (latest) | Limited | Partial | | Tool count | ~380 | ~145 | ~250 | | Network + Browser | Yes (Chrome Portable) | Yes (Opera) | Yes (Firefox) | | Linux multiboot | Yes (Mint 21.3) | No | No | | Spring 2025 Updates | Yes | No (outdated) | No (2024 versions) |
Gandalf’s remains the most up-to-date and feature-rich build as of mid-2026.