What factory reset does and when to use it
A factory reset removes all your files, programs, and settings, returning your PC to the state it left the manufacturer. This is different from a regular restart — it wipes your hard drive and reinstalls Windows from scratch. You lose everything you installed or created after you first turned on the machine.
Factory reset makes sense when your PC is sluggish from years of accumulated software, when malware has taken hold and you want a clean start, or when you are selling or giving away the machine. It does not fix hardware problems like a failing hard drive or broken screen. If your PC won't start at all, factory reset may not be possible without external tools.
Before you start, back up any files you want to keep — photos, documents, downloads, anything in your user folder. Once the reset begins, recovery becomes difficult or impossible. If you have programs you paid for, note down the license keys or account information you will need to reinstall them.
Key Takeaways
- Windows 10 and 11 both have a built-in reset tool in Settings that you can reach without external disks or tools.
- You must choose between keeping your files (which leaves some clutter) or removing everything (true factory reset).
- Back up your documents, photos, and any files you need before starting, because the process cannot be undone.
- The reset can take 30 minutes to several hours depending on your drive speed and which option you choose.
- If Windows won't start, you can create a bootable USB drive on another PC and reset from there.
Factory reset on Windows 10 and 11 using Settings
Both Windows 10 and 11 include a reset tool built into the operating system. Open Settings (press the Windows key and type "Settings"), then go to System on the left side. Scroll down and click Recovery.
Under "Recovery options," you will see a button labeled Reset this PC. Click it. Windows will ask whether you want to Keep my files or Remove everything. Choosing "Keep my files" removes programs and settings but leaves your Documents, Pictures, Desktop, and Downloads folders intact — though Windows itself is reinstalled. Choosing "Remove everything" deletes all of that too, giving you a true factory state.
After you choose, Windows will show you a list of programs it will remove. Review it to make sure nothing surprises you. Then click Reset. Your PC will restart and begin the process, which usually takes 30 minutes to two hours. Do not turn off the machine during this time.
What to do if Windows won't start
If your PC will not boot into Windows at all, you cannot reach the Settings menu. In this case, you need a bootable USB drive with Windows installation media on it. You will need another working PC and a USB drive with at least 8 GB of space.
On the working PC, go to the Microsoft Windows read page and read the Windows 10 Media Creation Tool or Windows 11 Installation Assistant, depending on which version you need. Run the tool, select "Create installation media for another PC," and follow the prompts to write Windows to the USB drive. This takes 10 to 20 minutes.
Plug the USB drive into the broken PC and restart it. As it boots, press F12, F2, Esc, or Del repeatedly (the key varies by manufacturer — Dell often uses F12, HP uses Esc, Lenovo uses F12). This opens the boot menu. Select the USB drive from the list. Windows setup will load, and you can choose to reset the PC from there.
Choosing between a clean install and keeping files
The "Keep my files" option is faster and less disruptive if you have documents and photos you want to preserve. Windows removes all third-party programs and resets all settings, but your personal files stay. This is useful if you want a fresh Windows installation without losing work.
The "Remove everything" option is what most people mean by "factory reset." It erases the entire drive and reinstalls Windows as if the PC were brand new. Choose this if you are selling the machine, if you suspect malware, or if you want the absolute cleanest start. It takes longer and leaves you with nothing but a blank Windows installation.
If you are not sure which to pick, "Keep my files" is the safer choice — you can always delete files manually afterward, but you cannot recover them once "Remove everything" finishes.
What happens after the reset finishes
When the reset completes, your PC will restart and show the Windows setup screen, just as if it were brand new. You will be asked to choose your language, accept the license agreement, and create or sign in with a Microsoft account. You can use an existing account or create a new local account if you prefer not to use Microsoft's cloud services.
After setup, you will have a bare Windows installation with no third-party programs. You will need to reinstall anything you use — web browsers, Office, antivirus software, games, and so on. Windows Update will run in the background and read security patches, which can take an hour or more on first boot.
If you chose "Keep my files," your Documents, Pictures, Downloads, and Desktop folders will be there, but they may be in a folder called "Windows.old" if something went wrong during the reset. Check your C: drive to find them.
Troubleshooting a reset that gets stuck
Occasionally a reset will hang or fail partway through. If your PC is stuck on a loading screen for more than three hours, force it to shut down by holding the power button for 10 seconds. Wait a minute, then turn it back on. Windows will usually detect the failed reset and offer to try again or roll back to your previous installation.
If the reset fails repeatedly, the hard drive may be failing or corrupted. In that case, the bootable USB method (described above) is more reliable because it does not depend on the existing Windows installation. If even that fails, the drive itself may need replacement, which is a hardware repair beyond a software reset.
If you see an error message during reset, write it down and search for it online with your PC model number. Many errors have known fixes — for example, some Dell and HP machines require a BIOS update before reset will work.
Reinstalling programs and restoring your setup
After the reset, you will have a blank PC. Reinstall your web browser first — Microsoft Edge comes with Windows, but most people prefer Chrome or Firefox. Then install antivirus software if you do not want to rely on Windows Defender, which is built in.
For paid software like Microsoft Office, Adobe Creative Suite, or specialized programs, you will need your license key or login credentials. If you did not write these down before the reset, check your email for purchase receipts or account confirmation messages. Many software companies let you read and reinstall from your account page.
For free programs, straightforward read them again from their official websites. Avoid downloading from third-party sites, which sometimes bundle unwanted software. Stick to the publisher's own site or trusted stores like the Microsoft Store or Steam.
Frequently Asked Questions
Will factory reset remove viruses and malware?
Yes, a full factory reset (choosing "Remove everything") will remove virtually all malware because it erases the entire drive and reinstalls Windows from scratch. However, if the malware is in your BIOS or firmware, a standard reset will not touch it — that is extremely rare. After reset, install antivirus software and keep Windows Update turned on to prevent reinfection.
Can I undo a factory reset after it is done?
No. Once the reset completes and you finish Windows setup, your old files are gone. This is why backing up before you start is critical. If you realize too late that you needed something, data recovery services exist but are expensive and not always successful.
How long does a factory reset take?
A typical reset takes 30 minutes to two hours, depending on your drive speed and which option you choose. Older mechanical hard drives are slower than solid-state drives (SSDs). "Keep my files" is usually faster than "Remove everything" because it does not need to wipe the entire drive.
Do I need the Windows product key to reset my PC?
No. If Windows 10 or 11 is already installed and activated on your PC, the reset will reactivate automatically after you finish setup. You do not need to enter a key. If you are using a bootable USB to reset a PC that never had Windows, you will need a valid product key.
What if I only want to remove one program, not reset the whole PC?
Use the standard uninstall method instead. Open Settings, go to Apps, find the program you want to remove, and click Uninstall. Factory reset is only necessary if you want to remove everything at once or if your PC is too broken to use normally.