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In many cases, you may need to reinstall Windows 11. For instance, when you Windows cannot boot up, so the first thing that you need to do is reinstalling your Windows, or if you see the blue screen of death (BSOD), or your PC gets slow, the best option is to reinstall your Windows. Whatever the reason you have, reinstallation of Windows 11 may need. Some users need to know how to reinstall Windows 11. In this article, we presented a few ways to help you. It may seem confusing if have never done that before, but by following the methods below, you can have a perfect reinstallation.

How to Back up Your Data Before Reinstalling Windows 11?

It is important to back up your data before making this big change on your system. Reinstallation means losing data in most cases, so you may lose all your documents, files, photos, videos, etc.

MiniTool ShadowMaker is a software that you can back up your files with it. It is compatible with different operating systems like Windows 11, 10, 8.1, 8 and 7. You can back up files and folders easily, and create a system image. You can create a bootable USB drive with MiniTool Media Builder to restore your device to the date when your PC fails to load.

In this software, file sync and disk cloning are supported too. It is also useful for automatic backups, performing incremental and differential backups for newly added or changed data.

Now, follow the instruction below to back up data on your computer with this free backup software in Windows 11:

  1. Click on the MiniTool Shadowmaker to launch the backup program to the main interface.
  2. Select the Source section under Backup Tab.
  3. Choose Folders and Files.
  4. Choose items that you want to back up.
  5. Hit OK to go back to Backup.
  6. Select Destination.
  7. Choose the way to save backed-up files.

Note: An external hard drive or USB flash drive can be a perfect choice.

  • To execute the data backup task at once, select Back Up Now.
  • Now, you have backed up your important data successfully.

How to Reinstall Windows 11 with an ISO Image?

It is possible to use a Windows 11 ISO image to perform and in-place upgrade and reinstall the Windows. If you don’t have an extra USB flash drive with enough storage to create an installation media, it is useful for you. To reinstall Windows 11 with an ISO image, follow the steps below:

  1. Download a Windows 11 ISO File.
  2. Save it to your system.
  3. After finishing the process of download, right-click on the ISO File.
  4. Choose Mount.

Note: To mount the file, you can double-click on the file too.

  • In File Explorer, enter This PC.
  • Select Devices and Drives.
  • Double-click on the newly mounted virtual drive to launch the Windows 11 setup wizard.
  • Select Change How to Setup Downloads Updates on the Windows 11 Setup window.
  • Hit Not at the Moment.
  • Hit Next.
  • Select Accept to continue.
  • If you see a warning related to your display language, hit OK.
  • Select Change What to Keep in the Ready to Install window.
  • Click on Keep Personal Files and Apps.
  • Hit Next.

Note: Be careful that you cannot use your system during the installation process. Thus, save all your work and close all applications.

  1. Select Install button to start the process.

Note: The upgrade process takes a while to complete.

  1. Now your PC will restart automatically after finishing the upgrade.
  2. Enter Settings.
  3. Choose Apps.
  4. Select Apps and Features.

Note: You must have all the applications and games installed.

To install the missing updates, follow the steps below:

  1. Go to Settings.
  2. Select Windows Update.
  3. Select Check for Updates to install pending Windows and third-party updates.

How to Reinstall Windows 11 without Losing Data via Settings?

Follow the steps below to reinstall Windows 11 on your laptop or PC without losing your files:

  1. Go to Settings.
  2. Select System.
  3. Choose Recovery on the right side.
  4. Select Reset PC button under the Recovery Options section in the Reset This PC Settings to begin Windows 11 reinstallation.
  5. Choose Keep My Files option.
  6. Click on the Cloud Download option to download Windows 11 to perform a fresh installation. Or you can choose the Local Reinstall option to use the local files to reinstall the operating system without losing data.
  7. Hit Next.
  8. Select Reset.

After finishing the procedure, Windows 11 will reinstall and keep your files, but if you choose the cloud download or local reinstall option, it will reset the settings, and it removes all your applications.

How to Reinstall Windows 11 from Recovery Mode?

To perform Windows 11 factory reset from boot, follow the steps below:

  1. Start your computer to Windows Recovery Environment through a repair disc or force reboot.
  2. Open Troubleshoot.
  3. Select Reset this PC.
  4. Choose whether to keep personal files and refreshing Windows settings and apps or removing everything.
  5. Choose your installation method between Cloud Download or Local Reinstall.
  6. By following the wizards on the screen of your computer, complete the resetting process.

How to Reinstall Windows 11 without Deleting Apps?

You can perform an in-place upgrade if you have a bootable USB drive or an ISO image. As an upgrade without deleting your data and apps, it lets you reinstall the operating system. After having the installation media, follow the steps below:

  1. Connect the bootable USB drive to your computer.
  2. Go to the File Explorer.
  3. Open the USB Drive.
  4. Double-click on the setup.exe file to launch the Windows setup.
  5. Hit Yes when asked by User Account Control.
  6. Select Change How Setup Downloads Updates in the Install Windows 11.
  7. Hit Not at the Moment.
  8. Hit Accept to agree to terms.
  9. The setup wizard runs a few checks to make sure you are ready to install.
  10. Click on Keep Personal Files and Apps in the Choose What to Keep window.
  11. Hit Next to continue.
  12. Review your Settings in the Ready to Install window.

Note: If you want to change your selection, select Change What to Keep.

  1. Hit Install to start Windows 11 repair install.

Note: This process will take some times to complete.

  1. Log-in with your local user account or Microsoft Account after the installation is complete.


Sometimes to fix a problem, you need to reinstall your Windows 11. In this article, we presented all the ways to reinstall Windows 11. Have ever reinstalled your Windows 11? How did you do it? Share your ideas with us.

Reyhane A

Reyhane is an author and technology enthusiast who has a passion for writing about Windows tips and tricks. Born and raised in Tehran, Iran, Reyhane always had an interest in technology, which led her to pursue a degree in computer engineering from the University of Tehran. After completing her studies, Reyhane began working as a software engineer, where she gained a wealth of experience and knowledge in the field of technology. She soon discovered her love for writing, and began sharing her knowledge with others through her blog. Reyhane's blog quickly gained popularity, and she became known as an expert in the field of Windows tips and tricks. Her articles are known for being clear, concise, and easy to understand, making them accessible to everyone, regardless of their level of technical expertise. Today, Reyhane continues to share her knowledge with the world through her blog and YouTube channel, where she provides tips and tricks for Windows users to help them optimize their computer's performance and get the most out of their technology. In addition to her passion for technology, Reyhane enjoys traveling, photography, and spending time with her family and friends. She is also an avid reader and is always on the lookout for new books to add to her collection. Reyhane's dedication to her work and her love for technology have made her a respected figure in the industry, and she continues to inspire and educate others through her writing and online content.

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