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Repair Windows 11: Upgrade Without Losing Your Files

Richard
Written by
Richard
Feb 15, 2026 Updated Jul 12, 2026 3 min read
Repair Windows 11: Upgrade Without Losing Your Files
Repair Windows 11: Upgrade Without Losing Your Files

If your Windows 11 computer isn’t working right and quick fixes don’t help, you can repair it by doing an “In-place upgrade.” This means reinstalling Windows but keeping all your files, apps, and settings safe.

There are other ways to fix Windows too, like resetting your PC without deleting your data. You can learn more about that here: Reset Windows 11 without losing data.

For the In-place upgrade, you need a copy of Windows 11 called an “ISO file.” This file must match your current Windows edition, language, and version or be newer. You also need at least 20 GB of free space on your main Windows drive.

⚡ Quick Answer

Perform an in-place upgrade using a Windows 11 ISO. Mount the ISO, run setup.exe, and select “Keep personal files and apps” when prompted to preserve your data. This process reinstalls Windows 11 while retaining your files and applications.

Steps to Repair 🪟 Windows 11 with an In-place Upgrade

Before you begin, please check these important things:

Once you have done these, follow these simple steps:

1Open the 🪟 Windows 11 ISO file

Double-click the ISO file you downloaded. It will open like a new drive on your computer.

Windows 11 mount ISO image to perform in-place upgrade
Windows 11 ISO file opened (mounted) to start the upgrade

2Run the setup program

Inside the opened ISO, find and double-click setup.exe to start the Windows installer.

If you see a pop-up asking for permission (User Account Control), click Yes.

3Change update settings

When the setup window opens, click the link that says “Change how Setup downloads updates”.

Windows 11 Setup file to install Windows update
Windows 11 setup window with option to change update preferences

4Choose Not right now for updates

In the next window, select Not right now. This means the setup won’t download updates, drivers, or extra features during install.

Windows 11 setup choose not right now to download updates and drivers
Choose “Not right now” to skip updates during setup

5Let Windows check your PC

The setup will now check your computer to make sure it’s ready for the upgrade. It will check for enough free space and other requirements.

Windows 11 checking and preparing system for upgrade
Windows is preparing your system for the upgrade
Windows 11 storage check for upgrade
Windows checking if there is enough storage space

6Choose what to keep

When you see the Ready to install window, click the link that says Change what to keep.

Windows 11 in place upgrade what to keep link
Click “Change what to keep” before installing

7Select Keep personal files and apps

In the next window, pick Keep personal files and apps to make sure nothing gets deleted.

Windows 11 in place upgrade keep personal file and apps
Choose to keep your files and apps during the upgrade

8Start the upgrade

Click the Install button to begin the repair process.

Windows 11 in place upgrade install
Click Install to start the repair

9Wait for the repair to finish

Your PC will now upgrade Windows 11 while keeping your files and apps safe. This can take some time, and your computer may restart a few times.

Windows 11 repair process window
Windows 11 repair process running

10Done!

When finished, you will be able to log back into your PC. Your files and apps should still be there, and many Windows problems may be fixed.


Summary

  • This guide helps you repair Windows 11 without losing your files, apps, or settings.
  • Doing an In-place upgrade is a safe way to fix Windows problems when nothing else works.
  • If you have questions or want to share tips, feel free to leave a comment where you found this guide.

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Tags: #Windows 11
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Richard

About the Author

Richard

Tech Writer, IT Professional

Richard, a writer for Geek Rewind, is a tech enthusiast who loves breaking down complex IT topics into simple, easy-to-understand ideas. With years of hands-on experience in system administration and enterprise IT operations, he’s developed a knack for offering practical tips and solutions. Richard aims to make technology more accessible and actionable. He's deeply committed to the Geek Rewind community, always ready to answer questions and engage in discussions.

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