You can go passwordless with Windows Hello on Windows by enabling it under Settings > Accounts > Sign-in options, then removing your account password after confirming your PIN and biometrics work. The setup is reversible and takes about five to ten minutes per device. The real work isn't in the toggle switches β it's in sequencing the changes so you don't lock yourself out of an account you still need.
Windows Hello isn't a single feature. It's a family of sign-in methods: a PIN tied to one device, fingerprint or facial recognition, and security keys. The PIN matters more than most guides admit. You'll need it as the anchor before you remove anything else.
What Windows Hello Actually Stores, and Why the PIN Isn't Your Password
Windows Hello stores a cryptographic key pair on the device, protected by a Trusted Platform Module chip when one is present. The private key never leaves that hardware. Microsoft's documentation describes the PIN as device-bound: it unlocks the local key store, not your Microsoft account in the cloud.
That distinction explains why a four-digit Hello PIN can be more secure than a long password. A password travels to a server and can be phished or replayed. The PIN stays on your machine and validates locally against the TPM. Someone who steals your PIN can't use it on another computer.
This is also why a PIN may contain only numbers. Length and complexity rules for account passwords don't apply, because the threat model differs. The PIN authenticates you to the hardware; the hardware authenticates you to Microsoft.
One caveat: on a device without a TPM, Windows Hello falls back to software-based protection. You can confirm TPM status in the Windows Security app under Device security > Security processor. Check that before you assume hardware-backed protection.
Checking TPM, Biometrics, and Account Type Before You Start
Enabling Hello fails most often because the prerequisites weren't checked first. Run through this list before touching any settings. It takes two minutes and saves the rollback headache.
1: Open Windows Security (search "Windows Security" in the Start menu) and select Device security > Security processor details. Confirm TPM is present and ready. 2: Go to Settings > Accounts > Sign-in options. Confirm "Windows Hello Face," "Windows Hello Fingerprint," or "Security key" appears as available options. 3: Check whether your account is a Microsoft account or a local account. Settings > Accounts > Your info shows the distinction. 4: Confirm your device has a supported camera for facial recognition or a fingerprint reader β most laptops from the last several years do. 5: Sign in to account.microsoft.com on another device and verify you can complete a security challenge, in case you need account recovery later.
If the security key option is missing, your device may lack the required update or the option may need to be enabled through your organization's policy. On managed work devices, IT controls often disable Hello entirely.
Facial recognition requires an infrared camera, not a standard webcam. A plain RGB camera won't enable Windows Hello Face, and no software workaround changes that. Fingerprint readers need a Windows Hello-compatible driver, which most OEMs supply through Windows Update.
Enabling the PIN, Face, or Fingerprint in Sign-In Options
The PIN is the foundation. Set it first, then add biometrics on top. Windows will prompt for your account password during PIN creation, so have it ready.
1: Open Settings > Accounts > Sign-in options. 2: Under "Ways to sign in," select PIN (Windows Hello) and choose Set up. 3: Enter your current account password, then create a PIN. Decide whether to include letters and symbols β the checkbox allows this. 4: Select OK. The PIN is now active and can be used at the lock screen. 5: Return to Sign-in options and select Facial recognition (Windows Hello) or Fingerprint recognition (Windows Hello), then Set up. 6: Follow the enrollment prompts β for face, position your head within the frame at several angles; for fingerprint, place the same finger multiple times as prompted. 7: Choose "Improve recognition" later if sign-in feels unreliable.
If enrollment fails partway through, cancel and restart the setup rather than abandoning it mid-process. A half-enrolled biometric profile can cause sign-in loops. For fingerprint failures, clean the sensor and re-enroll the same finger twice under different names if the option is available.
Test every method at the lock screen β press Windows+L and sign back in with each one β before you remove anything. This is the step people skip, and it's the one that catches broken enrollments while the password still exists as a fallback.
Removing the Password While Keeping Account Recovery Intact
This is where the sequence matters. Removing your password changes how you sign in, but recovery options live separately. Set those up first.
1: Go to account.microsoft.com/security on any browser and sign in. 2: Under Advanced security options, confirm you have at least two recovery methods β an alternate email and a phone number are typical. 3: Generate and store a recovery code somewhere offline, not in your email. 4: On the Windows device, return to Settings > Accounts > Sign-in options. 5: Under "Require sign-in," confirm the device requires Hello at wake. 6: Enable "For improved security, only allow Windows Hello sign-in for Microsoft accounts on this device." This is the toggle that removes password sign-in from the lock screen. 7: Sign out and test a full restart to confirm the password prompt is gone.
Microsoft's own support documentation notes that the "only allow Windows Hello" toggle requires you to have a PIN set, and it warns you'll need your Microsoft account password to turn the option off later. That's the boundary: you can't casually undo it from a locked device alone.
The recovery code deserves emphasis. If you lose the device and your biometrics fail, account recovery through Microsoft's web flow is your path back in. Without recovery methods configured first, you may face identity verification delays measured in days, not minutes.
Recovering a Microsoft Account When the Hello Toggle Locks You Out
The failure scenario is real and worth walking through. You enable Hello-only sign-in, the fingerprint sensor dies, you forget the PIN after a vacation, and the lock screen offers no password field. Panic follows.
Use the "I forgot my PIN" link on the PIN entry screen. Windows will route you through Microsoft account verification β typically a code to your recovery email or phone. Once verified, you can reset the PIN and regain access. This works only if your recovery methods are current.
If recovery methods fail, go to account.microsoft.com from another device and use the "Forgot password" flow. Microsoft's account recovery form asks for details like recent email subjects, contacts, and purchase history. Approval isn't instant; Microsoft states the process can take up to 24 hours in some cases, and longer if information doesn't match.
For a local account rather than a Microsoft account, the PIN reset path differs. Local account PIN recovery relies on security questions set at PIN creation, or on a password reset disk created beforehand. Without either, a local account with Hello-only sign-in and a forgotten PIN can require reinstalling Windows to regain access. That's an edge case most guides omit, and it's a strong reason to keep local accounts on a password.
Test the recovery path once, deliberately, while everything works. Reset your PIN through the forgot-PIN flow on a normal day. Knowing the flow exists before you need it converts a crisis into a routine.
Where Passwordless Sign-In Still Fails: Domain, RDP, and Legacy Apps
Passwordless isn't universal. Several scenarios still require a traditional credential, and knowing them prevents surprises. Windows Hello signs you in locally and to Microsoft services that accept it, but not every authentication channel does.
| Scenario | Passwordless support | What you need |
|---|---|---|
| Local Windows sign-in | Yes β PIN, face, fingerprint | Hello enrolled and tested |
| Microsoft account web sign-in | Yes β passkey or Hello on trusted device | Recovery methods configured |
| Remote Desktop to another PC | Limited β depends on target configuration | Password or credential delegation in many setups |
| Domain-joined enterprise sign-in | Conditional β requires Windows Hello for Business policy | IT-managed certificate or key trust deployment |
| Legacy apps using basic auth | No | App-specific password or modern auth update |
| Network share access on older servers | Often no | Stored credential or updated authentication |
Windows Hello for Business is the enterprise variant, and Microsoft's deployment documentation describes two trust models: key trust and certificate trust. Key trust works without a public key infrastructure; certificate trust requires certificate services. Organizations that skip this planning find Hello works at the desktop but breaks for domain resources.
Remote Desktop is the common frustration. Connecting to another machine typically requires credentials the target accepts, and Hello's device-bound keys don't travel. Some configurations support Hello for RDP, but they depend on the target's setup. If your job runs on RDP, keep a password or an alternate admin account.
Security keys (FIDO2) fill some of these gaps. A USB or NFC key registered with your Microsoft account works across devices and for web sign-in, and it can serve as a backup when biometrics fail. Two keys β one primary, one stored elsewhere β is a defensible minimum.
Keeping a Spare Fingerprint or Security Key as Backup
Single-method passwordless is fragile. Enroll at least two fingers and set up a security key if your device supports one. The redundancy costs nothing and covers the most common failure: a sensor that stops reading after a firmware update or a sweaty-handed morning.
1: Go to Settings > Accounts > Sign-in options > Fingerprint recognition and select Add another finger. 2: Enroll a finger from the opposite hand β this matters if you injure your dominant hand. 3: Purchase a FIDO2-certified security key, then register it at account.microsoft.com/security under Security info > Add sign-in method > Security key. 4: Register a second key and store it somewhere physically separate from the first. 5: Record which methods are enrolled and where the backup key lives β a note in a password manager entry works.
Recovery codes belong in this plan too. Generate a fresh code after any major change and keep it offline β printed and stored with important documents is reasonable for a home user. Codes expire or get invalidated when security info changes, so regenerate after adding or removing methods.
For shared or family devices, remember that Hello enrollments are per-user. Each account needs its own setup. A child's account without recovery methods configured is a support call waiting to happen.
Managing Hello on Shared, Work, and Replacement Devices
Device lifecycle changes break Hello setups in predictable ways. A motherboard replacement resets the TPM, which invalidates the stored keys. After such a repair, Windows prompts you to set up Hello again, and your old PIN won't work. The account password becomes necessary once more β another reason to keep recovery methods current even in a passwordless setup.
Work devices are governed by organizational policy. Group Policy and Intune settings can require Hello, restrict which biometrics are allowed, or disable the option entirely. If the "only allow Windows Hello" toggle is greyed out, policy is controlling it, and only IT can change that. Don't fight it; ask for the documented policy.
Before selling or returning a device, remove Hello enrollments and sign out. Settings > Accounts > Sign-in options lets you remove PIN and biometrics, and a full reset is cleaner for a device leaving your control. A forgotten enrollment on a resold machine is a small but real privacy exposure.
On a new device, the order repeats: set up the account, configure recovery methods, set the PIN, enroll biometrics, test at the lock screen, then consider removing the password. Skipping ahead to the last step on day one is how people end up on support forums.
FAQ
Does removing my Windows password delete my Microsoft account password?
No. The "only allow Windows Hello" toggle changes which method the device accepts at its lock screen. Your Microsoft account password still exists in the cloud and remains needed for account recovery, new device setup, and turning the toggle off. The change is device-scoped, so a second PC will still prompt for the password unless you configure it too.
Can I use Windows Hello without a TPM chip?
Yes, but with weaker protection. Windows Hello can run in software mode when no TPM is present, which removes the hardware-bound protection the design relies on. Check Device security > Security processor in Windows Security to see your status. Devices without a TPM are increasingly rare, but older or custom-built machines may lack one.
What happens if I forget my PIN and have no recovery methods set up?
For a Microsoft account, you'll need to complete Microsoft's account recovery form, which can take up to 24 hours and longer when information doesn't match. For a local account with no security questions or reset disk, regaining access may require reinstalling Windows. Set recovery methods before enabling passwordless sign-in β this is the single most important preparatory step.
Is a four-digit PIN really safer than a long password?
For local device sign-in, generally yes, because the PIN is bound to that device's hardware and can't be phished remotely. A stolen PIN is useless on another machine, while a stolen password often works everywhere. The protection depends on the TPM being present and the device itself being physically secure.
Why is Windows Hello greyed out on my work laptop?
Organizational policy is the usual cause. Group Policy or Intune configurations can disable Hello methods, restrict biometrics, or require specific enterprise trust models. The settings appear but can't be changed by the user. Contact your IT administrator for the applicable policy rather than attempting workarounds.
Do I need to re-enroll after replacing my motherboard?
Yes. Replacing the motherboard typically resets or replaces the TPM, invalidating stored Hello keys. Windows will prompt you to set up Hello again after the repair, and your previous PIN won't be accepted. Have your account password or recovery methods available before the repair.
Can I use a security key alongside fingerprint sign-in?
Yes, and doing so is a sensible backup. A FIDO2-certified key registered with your Microsoft account works across devices and provides an alternative when biometrics fail. Register two keys β one with you, one stored separately β so a lost key doesn't become an account lockout.