How to Update to Windows 11 for Free: A Step-by-Step Guide

By / October 3, 2025

Upgrading from Windows 10 to Windows 11 (or in some cases an earlier version) — for free — is still possible on eligible machines. If your PC meets the hardware requirements and Microsoft’s upgrade policy, you can perform the transition without spending a cent. In this guide, we’ll walk you through everything: verifying compatibility, preparing your system, executing the upgrade, and handling possible issues.

Let’s get started.

🔑 Quick Summary (Key Takeaways)

  • Microsoft allows a free upgrade to Windows 11 from Windows 10, provided your device meets all minimum system requirements.

  • Before upgrading, check compatibility (using PC Health Check or manually).

  • Back up your data to avoid loss during upgrade.

  • Use Windows Update, Installation Assistant, or ISO/Media Creation Tool methods to upgrade.

  • If your PC is unsupported, you can still attempt installation — but it’s not recommended, and you may lose updates.

  • Always test thoroughly after upgrade and know how to roll back (within 10 days).

Why Upgrade to Windows 11 — and Why It’s Free

Benefits of Windows 11

  • Refreshed UI and improved design (centered Start menu, rounded corners).

  • Enhanced performance, security, and feature updates.

  • New productivity and multitasking features (Snap Layouts, Virtual Desktops improvements).

  • Better support going forward — Windows 10’s end-of-support date is approaching.

Why Is the Upgrade Free?

Microsoft’s policy is that upgrades from Windows 10 to Windows 11 are offered free for eligible devices. They just require that the system meets the minimum specs and passes the compatibility check.

It’s not a “sales gimmick” — it’s Microsoft’s strategy to move its user base forward without forcing everyone to buy a new license.

Windows 11 System Requirements You Must Meet

Before attempting the upgrade, you must ensure your PC meets Windows 11’s minimum requirements.

Here’s a summary:

Component Minimum Requirement
Processor 1 GHz or faster, 2 or more cores, 64-bit (on supported CPU list)
RAM 4 GB or more
Storage 64 GB or more
System Firmware UEFI, Secure Boot capable
TPM Version 2.0
Graphics Compatible with DirectX 12 or later with WDDM 2.0 driver
Display > 9″ with HD (720p) resolution
Internet & Microsoft Account Required for initial setup in Home edition

Also, your device must be running Windows 10 (version 2004 or later) to use the official upgrade path.

If your PC lacks TPM 2.0 or Secure Boot, it is unsupported. Microsoft does provide guidance for installing Windows 11 on unsupported hardware, but that means sacrificing support and updates.

Before You Begin: Preparation Checklist

Upgrading an OS is a major change — do this checklist to reduce risk:

  1. Back up your files
    Use an external drive, cloud storage, or both. Even though upgrades are supposed to preserve files, it’s better to be safe.

  2. Verify compatibility
    Download and run the PC Health Check tool — it will tell you if your hardware passes the test.

  3. Free up disk space
    You’ll need at least 9 GB (often more) of free storage to download the installer.

  4. Update your drivers & firmware
    Go to your PC manufacturer site and install latest BIOS/UEFI firmware and drivers (chipset, graphics, etc.).

  5. Uninstall incompatible software
    Sometimes legacy apps or antivirus tools can block the upgrade. Remove them temporarily if needed.

  6. Ensure reliable power and internet
    A power interruption during upgrade could corrupt the OS. Use a laptop with battery or a UPS.

  7. Have your Windows 10 license ready
    Your Windows 10 activation should carry over to Windows 11 if upgrade is valid.

How to Update to Windows 11 for Free: Step-by-Step

Here are multiple methods — pick the one that fits your situation best.

Method 1: Through Windows Update (Recommended for Most Users)

  1. Open Settings → Update & Security → Windows Update.

  2. Click Check for updates.

  3. If your PC qualifies, you’ll see “Upgrade to Windows 11 is ready” with a Download and install button.

  4. Click Download and install.

  5. The installer will download the required files — this may take a while depending on your internet speed.

  6. Once ready, click Restart now or schedule the installation for later.

  7. The system will reboot a few times; after completion, follow on-screen prompts.

Method 2: Using Windows 11 Installation Assistant

If Windows Update doesn’t offer it yet, or you prefer a more manual route:

  1. Download the Windows 11 Installation Assistant from Microsoft’s official website.

  2. Run the tool (as an administrator).

  3. It will first check your hardware compatibility.

  4. Accept the license terms.

  5. Click Accept and install.

  6. Wait for the download and preparation.

  7. Click Restart now when prompted.

  8. Let the tool install Windows 11 — the computer may restart several times.

Method 3: Clean Install via Media Creation Tool / ISO

If you prefer a fresh install or want to upgrade a PC that cannot use the Windows Update method:

  1. Download the Windows 11 Media Creation Tool or ISO from Microsoft’s official website.

  2. Create a bootable USB drive (8 GB+).

  3. Boot your PC from the USB drive.

  4. During setup, choose Upgrade this PC now or Custom (if you want a fresh install).

  5. If prompted for a key, select I don’t have a product key — your Windows 10 license should activate it automatically.

  6. Follow on-screen instructions to complete the installation.

  7. After installation, confirm that Windows 11 is activated.

Note: Using this method on unsupported hardware is risky — you may get warning messages and your system may not receive updates reliably.

What Happens to Your Files, Apps, and Settings

During a standard upgrade (not a clean install):

  • Your personal files (Documents, Pictures, etc.) stay intact.

  • Many settings and apps carry over, but some incompatible software may be removed.

  • Microsoft usually retains a backup of your old Windows in a folder called Windows.old.

If things don’t work well after the upgrade, you can roll back to Windows 10 within 10 days.

Troubleshooting Common Issues

“This PC can’t run Windows 11” Error

  • Double-check TPM 2.0 and Secure Boot are enabled in UEFI/BIOS.

  • Ensure CPU is on Microsoft’s supported list.

  • Use the PC Health Check to see what component is failing.

Stuck During Installation

  • Give it time — some phases take a long time (especially upgrading large systems).

  • Disconnect unnecessary peripherals.

  • Ensure stable power/internet connection.

Activation Fails After Upgrade

  • Go to Settings → Activation and click Troubleshoot.

  • If you upgraded from an activated Windows 10, your digital license should carry over.

Unsupported Hardware Warning

Microsoft will warn you if your PC doesn’t meet requirements. If you proceed, your device might not receive updates, and it’s considered an “unsupported install.”

Pro Tips for a Smoother Upgrade

  • Use wired Ethernet instead of Wi-Fi during download.

  • Pause Windows Updates a week before upgrading to reduce conflicts.

  • Temporarily disable antivirus or firewall software.

  • Make sure your boot drive is in GPT partition style (not MBR).

  • Keep drivers (graphics, chipset) updated right before upgrade.

  • After upgrade, check for Windows Updates again to fetch latest patches.

Summary: Your Windows 11 Upgrade Plan

  1. Check if your PC is compatible (PC Health Check or manual spec review).

  2. Back up your data.

  3. Choose your method: Windows Update, Installation Assistant, or Media Creation Tool.

  4. Execute the upgrade.

  5. Validate that things (files, apps, settings) are intact.

  6. Roll back if needed (within 10 days).

  7. Troubleshoot activation or driver issues, and install updates.

FAQs About Upgrading to Windows 11 for Free

1. Is the upgrade still free in 2025?
Yes — as long as your PC meets the hardware requirements, Microsoft still offers the free upgrade path from Windows 10 to Windows 11.

2. Can I upgrade from Windows 8.1 or 7 to Windows 11 for free?
No — Microsoft no longer provides a free upgrade path from Windows 7 or 8.1 directly to Windows 11.

3. What if my PC doesn’t meet requirements (no TPM 2.0)?
You can still attempt unsupported installations, but your PC may not receive updates and there’s a risk of instability.

4. How long do I have to roll back if things go wrong?
You have 10 days after upgrading to revert to Windows 10 with your apps and files intact.

5. Will all my apps and settings carry over?
Most will, but some incompatible or legacy apps may be uninstalled. Be sure to verify everything after the upgrade.

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