Upgrading from Windows 10 to Windows 11 is a major step for many users, especially those with supported hardware. This guide walks you through upgrading your system using the Windows 11 ISO file. The process ensures that your personal files and apps are retained while installing the latest operating system from Microsoft.
Before we begin, note that this guide is specifically for systems that are supported by Windows 11. If your hardware isn’t supported, you need to follow my guide on how to upgrade Windows 10 to Windows 11 on unsupported devices.
Key Takeaways
- Downloading the Windows 11 ISO file is a critical first step.
- Ensure your computer meets Windows 11 requirements for a smooth upgrade.
- Following the steps correctly helps you retain your files and apps during the installation process.
Preparing for the Upgrade
Before starting the upgrade, make sure that your system supports Windows 11. Microsoft has specific requirements for upgrading, including TPM 2.0, Secure Boot, and compatible processors. You can check your system’s compatibility using Microsoft’s PC Health Check app.

Detailed instructions on using the PC Health Check app can be found in my guide on How to Upgrade Windows 10 to Windows 11 with the Update Assistant.
Once confirmed, follow these steps to prepare for the installation:
- Backup Your Data: Even though the upgrade retains your files and apps, it’s always a good idea to back up your important files to avoid any accidental data loss.
- Download the Windows 11 ISO: Microsoft offers the ISO file for users who prefer a manual upgrade. You can download it from Microsoft’s official Windows 11 download page. Ensure you choose the correct version that matches your current Windows 10 language.
If you need detailed instructions, check out my guide on How to Download the Windows 11 ISO File from Microsoft.
Step-by-Step Upgrade Process
1. Opening the Windows 11 ISO File

- Once you’ve downloaded the Windows 11 ISO file, locate it on your Windows 10 computer.
- Right-click on the ISO file and select Open with Windows Explorer. If you don’t see this option, click on More apps to find Windows Explorer in the list.
- The ISO file will open in a new window, showing the setup files.

2. Launching the Setup Application

- Double-click the setup file to start the installation process. If prompted by User Account Control, click Yes to proceed.
- The Windows 11 installation wizard will launch.

3. Configure Installation Preferences

- In the wizard, click on Change how setup downloads updates and select Not right now. Make sure to uncheck the box that says “I want to help make the installation better.”
- Click Next, and the setup will begin checking your PC.

4. Accepting License Terms

- Once the checks are complete, the setup will display the license terms. After reviewing the terms, click Accept to proceed.
5. Ready to Install

- The next screen will display two options:
- Install Windows 11
- Keep personal files and apps
- Once everything is set, click Install to begin the upgrade process. Your system will restart several times during the installation, and the entire process can take anywhere from 30 minutes to two hours or more, depending on your hardware.

6. Completing the Upgrade

- After the installation is complete, you’ll see the Windows 11 welcome screen.
- You’ll be taken to your lock screen to log in, or directly to the desktop if no password is set.
- Congratulations! You’ve successfully upgraded to Windows 11 and can start exploring the new features and interface.

Conclusion
Upgrading from Windows 10 to Windows 11 using the ISO file is a straightforward process if your hardware meets the requirements. By following these steps, you can ensure that your upgrade goes smoothly while retaining your files and apps. Enjoy the new features of Windows 11, and remember to keep your system updated for the best experience.
Frequently Asked Questions (FAQs)
How do I check if my computer is compatible with Windows 11?
You can use Microsoft’s PC Health Check tool to check if your system meets the minimum requirements for Windows 11. This tool will inform you if your PC is compatible or if there are any components that need to be upgraded.
Can I keep my personal files during the upgrade?
Yes, during the installation process, you can select the option to keep personal files and apps, which allows you to retain all your important data.
How long does it take to upgrade from Windows 10 to Windows 11?
The upgrade process can take anywhere from 30 minutes to two hours or more, depending on your system’s hardware, such as whether you have an SSD or an HDD.
What should I do if I can’t keep my files and apps during the upgrade?
If you can’t keep your files and apps, it’s likely because the language version of the Windows 11 ISO file doesn’t match your current Windows 10 installation. Download the correct version of the ISO file and try again.
What should I do if the installation fails?
If the installation fails, ensure that your PC meets the minimum requirements and that the Windows 11 ISO file you downloaded is not corrupted. Running the setup again after troubleshooting these areas should resolve the issue.