Complete Guide: Easily Install Windows 11 with WinFast – The Automated Tool for Everyone!
- Nov 1
- 6 min read
Installing or reinstalling Windows 11 can feel like an obstacle course for beginners: complex compatibility checks, bypassing TPM 2.0 or CPU restrictions, backing up critical data, and an avalanche of technical commands.
What if I told you there's a professional, free, and 100% automated solution that transforms this nightmare into a smooth and secure operation? Welcome to the world of WinFastV3, a modular architecture designed for both beginners and experienced users.
What is WinFastV3?
A Modular Revolution for Installing Windows 11
WinFastV3 is an open-source automated system, developed with a professional modular architecture that simplifies the installation of Windows 11 on any compatible PC or older, non-compatible PC.
Instead of manually navigating complex technical checks or risking data loss, WinFastV3 orchestrates the entire process with surgical precision.
Advanced Modular Architecture
The WinFastV3 package is based on a robust modular structure:
🛠️ Utilities.ps1 - The core of the system: advanced logging, error handling, shared functions
🔍 Diagnostics.ps1 - Full analysis: TPM, SecureBoot, UEFI, CPU, RAM, disk space
💾 Backup.ps1 - Smart Backup: registry, BCD, EFI, drivers, certificates
🔓 Compatibility.ps1 - Secure workarounds with user confirmations
🚀 Install.ps1 - Main orchestration of the installation process
✅ PostInstall.ps1 - Final validation and system cleanup
Key Package Components
The WinFastV3 folder contains a complete suite:
WinFastV3.ps1 - The main script that orchestrates all the modules
Config.json - Centralized configuration file with all settings
Modules/ - Folder containing all the specialized modules
Resources/ - Folder containing the Windows 11 25H2 ISO included by default
Logs/ - Advanced logging folder with detailed reports
✨ Total Flexibility: The package includes the Windows 11 25H2 ISO (latest major version) by default, but you can easily test other versions! Simply delete the provided ISO and replace it with:
Windows 11 24H2 for a more stable and proven version
Windows 11 23H2 if you prefer an earlier version
Any other official Microsoft ISO of your choice
The system automatically detects the ISO file in the resources/ folder and uses it immediately. No complex configuration is required!
How does WinFastV3 work?
A 6-Step Automated Process
WinFastV3 divides the process into fully automated, logical steps:
1. Comprehensive Diagnostics
The Diagnostics module performs in-depth checks:
✅ TPM 2.0 test and module status
✅ SecureBoot verification and UEFI configuration
✅ CPU and RAM analysis
✅ Disk space and partition control
✅ Compatibility score calculation with configurable threshold
2. Smart Backup
Protecting your critical data:
💾 Full Windows Registry Backup
💾 Export of the boot BCD configuration
💾 EFI partition and driver archiving
💾 Backup of system certificates
💾 SHA256 integrity verification of backups
3. Accounting Management
Secure and controlled bypasses:
🔓 Bypass TPM, SecureBoot, CPU with confirmations
🔓 Detailed logging of all changes
🔓 Administrator privilege management
🔓 Automatic post-installation cleaning
4. Installing Windows 11
Supervised and robust process:
🚀 Automatic ISO detection in resources/ (25H2 by default or your custom version)
🚀 Error handling with automatic recovery
🚀 Real-time progress monitoring
🚀 Automatic settings configuration
5. Post-Installation Validation
Comprehensive quality controls:
✅ Checking the installed Windows 11 build
✅ UEFI boot mode validation
✅ Control of critical system services
✅ Essential Driver Testing
6. Cleaning & Reports
Professional finalization:
🧹 Clean up temporary installation files
📊 Generation of detailed text and JSON reports
📁 Automatic archiving of session logs
🔧 Clean up the recovery configuration
Choose your version of Windows 11?
🆕 Windows 11 25H2 (Included by default)
Latest features and performance improvements
Enhanced security with the latest updates
Long-term support with all Microsoft innovations
Ideal for: Users who want the best of Windows 11
🔄 Windows 11 24H2 (Recommended alternative)
Proven stability after several months of patches
Maximum compatibility with drivers and software
Optimized performance for most configurations
Ideal for: A stable and predictable experience
⚡ How to Change ISO?
Open the resources/ folder
Delete the provided Windows 11 25H2 ISO
Download your favorite ISO from the official Microsoft website
Copy the new ISO to the resources/ folder
Launch WinFastV3 - it will automatically detect your choice!
The Benefits of Advanced Automation
For Beginners
Radical Simplicity: Guided interface with no technical skills required
Built-in Security: Automatic checks that prevent common errors
Data Protection: Automatic backup before any modification
Simplified Choice: Test different Windows versions without technical complexity
For Advanced Users
Total Transparency: Open source code and complete technical documentation
Customization: config.json file to adjust all settings
Advanced Logging: Text logs + JSON for in-depth analysis
Maximum Flexibility: Change ISO according to your specific needs
For All Users
Exceptional Time Savings: A process that takes hours reduced to just a few clicks.
Professional Reliability: Robust error handling with automatic recovery
Multiple Trials: Easily test 25H2, 24H2 or any other version
Free and Secure: No cost, no advertising, transparent code
Advanced Technical Features
Dual Logging System
📝 Text logs for human diagnosis
📊 Structured JSON logs for automatic analysis
🔄 Smart cache to optimize performance
🆔 Unique session ID for complete traceability
Robust Error Handling
🔄 Automatic resumption with exponential backoff
🛡️ "Silent fail" checked for non-critical errors
📋 Standardized exit codes (0=Success, 1=Error, 2=Warnings)
💡 Integrated solution suggestions
Conclusion: The Windows Installation Revolution
WinFastV3 represents the culmination of intelligent automation for installing Windows 11.
Whether you are a novice looking for a simple solution or an expert appreciating technical flexibility, this modular system meets all needs.
The biggest advantage? Freedom of choice. Start with the latest innovation (25H2) or opt for proven stability (24H2) - the change takes only seconds and requires no technical skills.
Download WinFastV3 today and rediscover Windows installation as a smooth, secure, and customized experience!
⚠️ Important: Always use ISOs from official Microsoft sources. WinFastV3 is designed to work with legitimate versions of Windows 11.
STEP 1: Choose your version.
WinFast V3-En | 7Go | ||
WinFast V3-Light-En | 137Ko |
If your connection is slow , you can download separately Install WinFast V3 or Winfast V3 Light and add the Windows 11 ISO in French or English, as you prefer, to the /Resources folder.
In the ISO folder, add one of the following ISOs according to your language if your version of Windows 10 is not up to date.
If you are on Windows 11 24H2 or earlier and Windows Update is not offering you 25H2 due to compatibility issues, you can use WinFast to upgrade.
ISO Windows 11 25H2 *:
ISO image of the ISO folder if needed (if you don't have the minimum Windows 10 version 1903 to upgrade to Windows 11) *
*All ISOs are sourced from the official Microsoft website without any modifications.
STEP 2:
Prepare your ISO : The 25H2 ISO is included (WinFast V2.1). If you want the 24H2 (or another version), delete the old one and copy the new one into the folder. Download it for free from the Microsoft website.
STEP 3:
Start the Installation :
Important : Back up your data (via OneDrive or an external drive)!
Click on install_windows_11.bat
The language is detected automatically, confirm the checks, and validate the launch.
USER FEEDBACK
You cannot "install Windows on a USB flash drive using the installer"
If so, a simple registry correction can resolve the issue. In this method, we will change the value of the PortableOperatingSystem key in the registry to 0.
On your keyboard, press the WINDOWS + R keys
Then type regedit and click OK .
Locate and select the following Registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\ControlIn the right pane, double-click the Dword value PortableOperatingSystem
Replace the value data with 0 (the default value is 1)
Close the Registry Editor
Restart your computer for the changes to take effect.
Restart WinFast.
If you see " Windows Server ," don't panic; it's just the installation protocol, not the Windows 11 version. This protocol allows you to install Windows 11 on an older PC, even with 2GB of RAM or a dual-core/four-thread processor... (Tested on an Asus H100 HA, perfect installation, no slowdowns)
After installation, launch Windows Update, type "update" in the "Search" box on the taskbar. Click on "Check for updates".
Once in Windows Update, click on "Advanced options" and "Optional updates", it will download and install the drivers (Device Drivers) that you are missing.
Security Notes : This script is for personal use. Ensure you have a stable internet connection for post-installation updates. If you encounter any issues, consult the Readme file or contact us at contact@e-med-cyber.fr
Take Action and Upgrade Your PC Effortlessly
WinFast isn't just a script – it's your ally for a more serene digital life. Whether you're a parent helping a child with their first PC, an average user fleeing the sluggishness of Windows 10, or simply curious about the 25H2, this automated tool frees you from technical constraints.
Download WinFast today and make installing Windows a breeze. Share your feedback in the comments – we love hearing your success stories!
! A problem, a mistake...
During the UPGRADE?
A UEFI/GPT BIOS problem
(old PC)?
Try this manual method: https://www.e-med-cyber.fr/post/tutoriel-installer-windows-11-24h2-sur-un-pc-non-compatible
*Open Source License:
GNU GENERAL PUBLIC LICENSE
Version 3, June 29, 2007
Copyright (C) 2007 Free Software Foundation, Inc.
Adapted for the PowerShell project by Géry Rotsaert / www.e-med-cyber.fr (2025)
Any user is free to copy, distribute and modify this software
according to the terms of the GNU General Public License (GPLv3):
This software is provided "as is", without any warranty, even implied.
of commercial quality or adaptation to a particular use.
Powered by www.e-med-cyber.fr – For a simpler and more secure cyber experience.
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