Struggling with the dreaded "This PC doesn't meet the minimum system requirements" message from Windows 11? You're not alone. Millions of perfectly functional computers are blocked from the official upgrade path due to hardware restrictions like TPM 2.0 and Secure Boot. FlyOOBE (evolved from the earlier Flyby11 tool) is a powerful, free, and open-source utility designed to solve this exact problem. More than just a bypass tool, recent versions like FlyOOBE v2.4 offer extensive control over your Windows installation, allowing you to create a cleaner, faster, and more private system from the outset. This step-by-step guide will walk you through the entire process, from download to a fully optimized desktop.
Understanding What FlyOOBE Can Do
Before you begin, it's crucial to know the core capabilities of this tool:
1. Bypass Hardware Restrictions: This is its primary function. FlyOOBE can seamlessly bypass checks for TPM 2.0, Secure Boot, and even unsupported CPUs, allowing installation on a wide range of older hardware. It achieves this by utilizing methods similar to the Windows Server installer, which doesn't enforce these strict consumer-grade checks.
2. "Debloat" During Installation: Unlike tools that clean after the fact, FlyOOBE v2.4 allows you to remove unwanted Microsoft apps and components before the system first boots. This includes resource-intensive features like Copilot, as well as apps like Teams, OneDrive, and more, leading to a potentially more stable and lightweight system.
3. Customize the Setup Experience: The tool can automate and customize the Windows Out-of-Box Experience (OOBE). You can skip the mandatory Microsoft account login, choose privacy settings, and even run custom scripts to install drivers or essential software right after setup.
Step-by-Step Installation & Optimization Guide
Prerequisites & Safety First:
Backup Your Data: Before any system modification, ensure all important files are backed up to an external drive or cloud service.
Check Basic Compatibility: Your PC should have at least 4GB of RAM, 60-64GB of free storage space, and a 64-bit CPU that supports the POPCNT instruction set (most CPUs from 2008 onward do).
Download the Official Files: Always download FlyOOBE from its official GitHub repository and the Windows 11 ISO from Microsoft's website or via the tool's integrated downloader.
Phase 1: Initial Setup with FlyOOBE
1. Launch the Tool: Download and extract FlyOOBE. Right-click on `Flyoobe.exe` and select "Run as administrator".
2. Load the Windows ISO: In the FlyOOBE interface, you will typically have an option to either automatically download a Windows 11 ISO or select one you've already downloaded. Point the tool to your `Win11_24H2_English_x64.iso` (or similar) file.
3. Configure Bypass Settings: The tool should automatically detect the need to bypass hardware checks. Ensure options related to bypassing TPM, Secure Boot, and CPU checks are enabled (they often are by default).
Phase 2: Pre-Installation Customization (The Power of FlyOOBE v2.4)
This is where you tailor your Windows experience.
1. Navigate to the Debloat/Preset Section: Look for a section named "Features," "Presets," or "OOBE Configuration".
2. Choose a Preset (Recommended for Beginners): FlyOOBE often includes several optimization profiles:
Minimal: Removes obvious promotional apps and games.
Privacy Focused: Disables telemetry, data collection, and sync services.
Gaming/Performance: Disables non-essential background services to free up resources.
Complete/Full: Aggressively removes many default apps, including the Microsoft Store, for a maximally clean system.
3. Review Selected Components: The tool will list apps and features marked for removal (e.g., Copilot, Xbox-related services, etc.). Review this list to ensure you won't need anything on it.
4. Set Up OOBE Assistant: Configure options for the first boot, such as skipping the Microsoft account requirement and setting up a local account automatically.
Phase 3: Execute the Installation
1. Start the Process: Click the main action button, often labeled "Start Upgrade Now!" or "Create Media".
2. Follow Prompts: If creating a USB installer, select your USB drive. The tool will apply your bypass configurations and optimizations directly to the installation media.
3. Install Windows: Boot your PC from the newly created USB drive. The Windows setup will run without the usual hardware compatibility errors. Proceed with partitioning (or choose to keep your existing data for an in-place upgrade) and complete the installation.
Phase 4: Post-Installation First Boot
1. Automated OOBE: Thanks to FlyOOBE's configuration, the initial setup should be swift, potentially skipping several screens and logging you directly into your desktop with a local account.
2. Final Checks: Once on the desktop:
Run Windows Update immediately to get the latest security patches and drivers.
Verify that any bloatware you selected for removal is indeed gone.
Install your essential applications.
Crucial Considerations and Risks
While powerful, using tools like FlyOOBE comes with important caveats:
Security Tool Warnings: Microsoft Defender may flag FlyOOBE or its modified installation files as a "Potentially Unwanted Application (PUA)" or "Patcher" tool because it modifies system files. You may need to add an exclusion temporarily.
Update Uncertainty: Microsoft states that unsupported devices may not receive all future updates. While security updates typically continue, major version updates (like from 24H2 to 25H2) might fail or require re-running the bypass process.
System Stability: Removing core system components (especially with the "Complete" preset) can sometimes break features or future app installations. The "Minimal" or "Gaming" presets offer a safer balance.
Final Recommendation
FlyOOBE v2.4 is a revolutionary tool for tech-savvy users and IT administrators looking to breathe new life into older hardware or create a tailored Windows 11 environment from scratch. Its integrated approach—combining a hardware requirement bypass with a robust debloating and customization engine—makes it uniquely powerful. For the best experience, start with a conservative preset, always have a data backup, and be prepared to troubleshoot potential update paths. When used thoughtfully, it transforms an otherwise restrictive upgrade process into one of total control.
Official download address:GitHub：https://github.com/builtbybel/Flyoobe