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How to Factory Reset a Windows PC the Safe Way (2026)

TG By The TechFix Guide Editorial Team  ·  Updated  ·  How we check our guides
A young woman at a home desk looking thoughtfully at a desktop monitor showing a blue settings screen in soft morning light

A factory reset is the honest fix for a PC that has accumulated years of junk, the required step before selling or giving a computer away, and sometimes the fastest route out of a mess that no cleanup tool can untangle. Windows has had a built-in reset for years — you do not need installation media or a technician. What you do need is a plan, because a reset erases everything by design. Here is how to do it without regrets.

Before You Reset: The Backup Checklist

A reset gives you one chance to save your stuff. Walk through this list before touching any settings.

  • Documents, photos, videos, and downloads — copy them to an external drive or a cloud folder. Check less obvious places: Desktop, the Videos folder, and any second user account you may have created years ago.
  • Browser data — sign in and enable sync in your browser (Chrome, Edge, or Firefox), or export bookmarks manually. Saved passwords sync too if you opt in.
  • License keys — find product keys or account logins for paid software you plan to reinstall. Most modern apps tie licenses to an account, but some old programs still need a key file.
  • Email and app data — export local mail archives (PST files from Outlook) and note any app whose data lives only on this machine.
  • Your Windows license — good news: if Windows 10 or 11 was preinstalled or activated on this PC, it is tied to the hardware and reactivates automatically after the reset. Nothing to do here.
Once you are sure the backup is complete, open it and actually check a few files. A backup you have never opened is a hope, not a backup.

Step 1: Start the Reset

  1. Open Settings → System → Recovery (on Windows 10: Update & Security → Recovery).
  2. Under Reset this PC, click Reset PC.
  3. Windows may offer Cloud download or Local reinstall. Cloud download fetches a fresh copy of Windows from Microsoft — best when the local system files are damaged. Local reinstall is faster and works offline. Either produces the same clean result.

If the PC will not boot far enough to reach Settings, restart it and force-shutdown three times during boot (hold the power button as Windows starts to load). This triggers the automatic repair screen; choose Troubleshoot → Reset this PC from there.

Step 2: Choose the Right Option for Your Situation

Windows asks two questions, and the answers depend on why you are resetting.

"Keep my files" or "Remove everything"?

  • Keep my files removes apps and settings but keeps personal files. Use it to rescue a sluggish or misbehaving PC when you plan to keep using it. It is the faster path back to a working machine.
  • Remove everything wipes apps, settings, and personal files. This is the correct choice when selling, donating, recycling, or starting truly fresh.

"Just remove my files" or "Fully clean the drive"?

This second question appears only when you chose Remove everything, and it matters.

  • Just remove my files is quick — fine if you are keeping the PC and just want a clean slate.
  • Fully clean the drive takes much longer (hours on large drives) but makes old files much harder to recover. Always choose this if the PC is leaving your hands. Deleting files normally just hides them; a full clean overwrites the data.

If the computer has more than one drive, Windows lets you choose whether to wipe all drives or only the Windows drive. When selling, wipe all of them.

Step 3: Let It Run and Set Up Clean

The PC restarts several times and can take from 20 minutes to a couple of hours. Plug it into power and let it finish — do not interrupt it.

When it restarts, you will land in the out-of-box setup. If you are selling or donating, you can stop right here: hold the power button at the setup screen and shut it down. Letting the new owner complete setup themselves is the polite, safe handover — do not set up your accounts on it.

If you are keeping the PC, work through setup: connect to Wi-Fi, sign in with your Microsoft account (or create a local account), and let Windows Update run completely. Then reinstall your apps one at a time rather than dumping every installer back on at once — this is a rare chance to keep the machine lean.

Common Questions and Mistakes

Will the reset remove viruses?

Almost always, yes. A reset reinstalls Windows from a clean image and removes all programs, which clears out ordinary malware. Rare, deeply embedded boot-level infections can survive — for those, run a scan from a rescue USB (Microsoft Defender Offline, free) after the reset.

Will I lose my Windows license?

No. Digital licenses reactivate automatically once the PC connects to the internet. If you upgraded from an old Windows 7 license, it is still tied to the hardware and will reactivate too.

The reset failed or got stuck

If the reset errors out repeatedly, the system image may be damaged. Use Microsoft's Media Creation Tool on another computer to build a Windows 11 (or 10) install USB, boot the problem PC from it, and choose Custom install — this reformats the drive and installs clean Windows, achieving the same result.

Resetting a laptop you bought secondhand

If Windows asks to sign in with an account you do not own (Activation Lock-style behavior tied to a work or school account), you need the original owner to remove the device from their organization. Resetting will not bypass that.

A Better Habit: Reset Less, Maintain More

If you are resetting purely because the PC got slow, remember that a reset is a sledgehammer. The next time around, try trimming startup apps, uninstalling unused programs, and checking storage health first. But when a machine truly needs it — years of clutter, a sale, or an unsolvable software mess — a factory reset is free, safe, and takes an afternoon. Windows makes it easy; the only hard part is backing up first.