Reinstall Windows 10 Without Losing Personal Files

Updated 6 November 2026 · Standard formula, shown below

Yes, you can reinstall Windows 10 without losing your personal files by using the built-in “Reset this PC� feature and choosing “Keep my files.� This process reinstalls the operating system while preserving files in your user profile folders (Documents, Pictures, Desktop, etc.), though it removes installed apps and settings. Below is a detailed guide covering the methods, what to expect, and how to avoid common pitfalls.

Why You Might Need to Reinstall Windows 10

Over time, Windows 10 can become sluggish, unstable, or infected with malware. A clean reinstall often resolves these issues by replacing corrupted system files, removing stubborn viruses, and clearing out years of accumulated junk. The “Reset this PC� feature was introduced specifically to make this process easier for average users—no installation media or technical expertise required.

However, many people avoid reinstalling because they fear losing precious photos, documents, and other irreplaceable data. The “Keep my files� option directly addresses that concern, making a reinstall a viable first step before resorting to more drastic measures.

What “Keep My Files� Actually Does

When you choose “Keep my files� during a reset, Windows performs the following actions:

Preserves: Files in your user profile folders (C:\Users\YourName), including Desktop, Documents, Downloads, Pictures, Music, and Videos. It also keeps any files stored in other folders on the same drive that are not part of the Windows installation.
Removes: All installed desktop applications (like Microsoft Office, Adobe Photoshop, or games) and any apps from the Microsoft Store that were not pre-installed.
Reverts: Windows settings are reset to default (e.g., wallpaper, privacy options, default apps). Your user account remains, but its settings are largely restored to a fresh state.
Deletes: Any files in the Windows folder, Program Files, and other system directories are replaced with fresh copies.

It is important to note that “Keep my files� does not create a full backup. It simply leaves your personal folders untouched while wiping everything else. If you have files stored outside the standard user folders (e.g., on a D: drive), they will be unaffected as long as you choose the correct reset option.

How to Reinstall Windows 10 Using “Reset This PC�

The most straightforward method is through the Settings app. Here are the exact steps:

Open Settings (Windows key + I) and go to Update & Security.
Click Recovery in the left sidebar.
Under “Reset this PC,� click Get started.
Choose Keep my files.
If prompted, choose whether to reinstall Windows from the cloud or locally. Cloud download is often more reliable if your system files are corrupted, but it requires a stable internet connection and may use several gigabytes of data.
Review the list of apps that will be removed, then click Next.
Click Reset to begin. Your PC will restart and the process may take 30–60 minutes.

If Windows fails to boot normally, you can still access this feature by booting into the Recovery Environment (WinRE). To do this, restart your PC and press the power button repeatedly when the Windows logo appears, or use a recovery drive. Then navigate to Troubleshoot > Reset this PC and follow the same steps.

Alternative: Fresh Start (Windows Security)

Windows 10 also includes a “Fresh Start� tool hidden inside Windows Security. It performs a similar reinstall but does a slightly cleaner job by removing manufacturer bloatware. To access it:

Open Windows Security (search for it in the Start menu).
Go to Device performance & health.
Under “Fresh start,� click Additional info.
Click Get started and follow the prompts.

Fresh Start also keeps your personal files, but it removes more pre-installed apps. Note that this option is not available on all Windows 10 editions (e.g., it is missing on Windows 10 Home in some versions).

What About a Clean Install with Installation Media?

If you want the most thorough reinstall, you can create a USB installation drive using Microsoft’s Media Creation Tool. During setup, you can choose “Upgrade: Keep personal files and apps� or “Custom: Install Windows only.� The “Custom� option will wipe everything, so you would need to manually back up your files first. However, if you select “Upgrade� from within the setup, it behaves similarly to “Keep my files� but also preserves your installed apps. This is a good option if you want to keep programs without reinstalling them.

To create a USB drive, you will need a blank USB stick (8 GB or larger) and another working PC. Download the Media Creation Tool from Microsoft’s website, run it, and follow the prompts to create installation media. Then boot from the USB and choose “Upgrade� when prompted.

Common Problems and How to Avoid Them

Even with “Keep my files,� things can go wrong. Here are the most common issues and how to prevent them:

Not enough disk space: The reset process needs roughly 10–20 GB of free space. If you are low, delete temporary files or move large media to an external drive first.
Power loss during reset: A sudden shutdown can corrupt the process. Plug your laptop into a charger and, if on a desktop, consider a UPS battery backup.
Cloud download fails: If you choose “Cloud download� and your internet is unstable, the reset may fail. Use “Local reinstall� instead, or download the installation media beforehand.
Files still missing: If you have files stored in unusual locations (e.g., on the root of C: or in a custom folder), they may be deleted. Always back up your entire user folder to an external drive before resetting, just in case.

Another misconception is that “Keep my files� protects against malware. It does not—if a virus has infected your user profile, the reset may not remove it. In that case, a full wipe (removing everything) is safer.

Frequently Asked Questions

Will I lose my installed programs?

Yes, “Keep my files� removes all desktop applications and non-default Store apps. You will need to reinstall them after the reset. Make a list of your installed software and have installation files or product keys ready.

Does this delete my Microsoft Office files?

No, your Office documents (Word, Excel, PowerPoint) are preserved if they are in your user folders. However, the Office application itself will be removed, so you will need to reinstall it (and re-enter your product key or sign in to your Microsoft account).

Can I cancel the reset once it starts?

No, once you click “Reset,� the process cannot be safely interrupted. If you change your mind, you should back up your files and proceed—or use a different method like a system restore point if you have one.

Will my personalization settings (wallpaper, theme) be kept?

No, Windows resets to default settings. Your wallpaper, theme, and most customization will be lost. You can easily reapply them afterward.

Is there a way to keep my apps too?

Yes, if you use the “Upgrade� option during a clean install from media, Windows will keep both personal files and installed apps. However, this is less reliable if your system is badly corrupted.

How long does the reset take?

Typically 30–60 minutes, but it can take longer on older hardware or if you choose “Cloud download.� Ensure your PC is plugged in and do not force shutdown.

Method: the standard formula for this calculation, rounded as each result states. See how the calculators work or report an error.