How To Erase Windows 10 | Complete Reset Walkthrough

Windows 10’s Reset this PC tool erases the operating system permanently when you choose “Remove everything” and enable the drive-cleaning option.

Most people assume deleting files and emptying the Recycle Bin wipes a PC clean. It doesn’t. A free recovery tool can reconstruct everything you thought was gone. Learning how to erase Windows 10 completely requires one specific Microsoft tool and one critical checkbox most users miss. The steps below cover every route — whether you can log in, you’re locked out, or you need a manufacturer-specific reset.

What “Erase Windows 10” Actually Does

A true erase removes your personal files, installed applications, settings, and the operating system itself — then overwrites the free space so nothing can be recovered with forensic software. Windows 10’s built-in reset offers two cleanup levels: “Remove files” (a quick wipe that leaves data recoverable) and “Remove files and clean drive” (a multi-pass overwrite that takes hours but makes data irretrievable). Only the second option qualifies as a proper erasure.

How To Erase Windows 10 From Settings

This is the primary method for anyone who can boot into Windows normally. The process takes anywhere from 30 minutes to several hours depending on whether you enable the drive-cleaning pass.

1. Open the Start menu and click Settings (the gear icon).
2. Navigate to Update & Security > Recovery.
3. Under Reset this PC, click Get Started.
4. Select Remove everything — this deletes all personal files, apps, and settings.
5. Choose your reinstall source:
   • Cloud Download — pulls a fresh Windows 10 image from Microsoft (requires internet and at least 10GB free).
   • Local Reinstall — uses existing system files (faster, no internet needed).
6. Click Change settings (or “Additional settings”).
7. Turn Data Erasure (labeled “Clean data” on some builds) to On. This is the step that makes recovery impossible.
8. Click Confirm > Next > Reset.

The system restarts several times. When the desktop appears again, Windows 10 is in its factory-fresh state and your old data cannot be recovered.

Erase Windows 10 Permanently: Why The Clean Drive Option Matters

The “Data Erasure” or “Clean data” toggle tells Windows to overwrite every sector on the drive after the reset. Without it, the reset only marks files as deleted — the actual data stays on the disk until new files happen to overwrite it, and any data recovery tool can pull it back in minutes. With it, the drive is overwritten with random data multiple times, meeting the same standard as dedicated drive-wiping utilities.

How To Erase Windows 10 If You’re Locked Out

When you can’t log in, the Windows Recovery Environment (WinRE) provides the same reset options from outside the desktop.

1. On the login screen, hold the Shift key while clicking the power icon then Restart.
2. On the “Choose an option” screen, select Troubleshoot > Reset this PC.
3. Select Remove everything and follow the same settings path described above — including enabling Data Erasure.
4. If the Shift+Restart shortcut doesn’t work, force a startup interrupt by powering the PC off three times during boot. Windows will launch automatic repair, which also leads to the Troubleshoot menu.

Can You Recover Data After A Clean Drive Erase?

No. Once Windows 10’s “Remove files and clean drive” operation finishes, the data is gone forever. The process overwrites every sector the drive can address, which is the same standard government and financial institutions use before decommissioning storage. No consumer or forensic software can reverse it. Microsoft’s own documentation confirms this as the intended behavior of the Data Erasure toggle.

Microsoft’s official reset your PC documentation spells out the full process and the warning that the clean drive option makes data recovery impossible.

OEM Recovery Options For Dell, HP, And Other Brands

Most major PC manufacturers include their own recovery tools alongside Windows 10’s built-in reset. These tools can be useful when the standard Recovery Environment doesn’t load, but they don’t always include the drive-overwrite step.

• Dell: Restart and press F12 repeatedly, then select SupportAssist OS Recovery > Reset to Factory Settings. Check whether the tool offers a “secure erase” option — if not, run a standard Windows reset afterward with Data Erasure enabled.
• HP: HP recovery methods vary by model. Most use either an F11 key at boot or a recovery partition accessed through the HP Recovery Manager. After a factory reset, run the Windows reset with Data Erasure as a secondary step.
• Lenovo: Novo Button (or F11 during boot) opens the Lenovo OneKey Recovery system. The same caveat applies — verify whether the tool overwrites the drive or just restores the factory image.

Regardless of which OEM tool you use, the safest path is to follow it with the standard Windows 10 reset from Settings with Data Erasure enabled. That guarantees the drive is overwritten.

Before You Erase Windows 10: A Preparation Sequence

A successful permanent erasure requires more than just clicking Reset. These are the steps to take before you start so nothing goes wrong and nothing gets left behind.

1. Back up anything you want to keep. Use an external drive, cloud storage, or both. The reset will delete everything on the Windows drive.
2. Deactivate paid software licenses. Open each application’s account settings and deactivate or sign out. Some licenses tie to a hardware ID and can’t be transferred after a wipe.
3. Sign out of all accounts. Remove your Microsoft account from the Settings > Accounts screen. Sign out of browsers and other apps so the next owner can’t access synced data.
4. Charge the battery and plug in the charger. A power failure during the clean-drive phase can corrupt the operating system. Do not rely on battery power alone.
5. Unplug external drives and USB devices. The reset can erase external storage if you select the “all drives” option. Disconnect anything you want to keep.
6. Run the Windows reset with Data Erasure enabled using the steps in the first section above. Verify the toggle is On before you confirm.
7. Confirm the process finished. After the PC restarts and you see the Windows setup screen, the job is complete. The drive is clean and your old data cannot be recovered.

Follow this sequence once, and the result is a Windows 10 PC with no trace of your personal files, accounts, or passwords — ready to sell, recycle, or give away.