Signing in with a passkey is simple and fast and helps protect you against phishing attacks. Passkeys are supported on desktop and mobile browsers (mobile app support is coming …

You can use the Settings app to view and manage passkeys saved for apps or websites. In the Settings app on your Windows device, select Accounts > Passkeys or use the following …

Instead of sending a password over the Internet, your device generates a pair of keys: a private key and a public key. The public key is registered with the website or application

With passkeys, you can use Windows Hello to sign in with a PIN, facial recognition, or fingerprint, making the authentication process faster and more convenient than ever before.

If a passkey is stored locally and protected by Windows Hello, you're prompted to use Windows Hello to sign in. If you select the option Use another device, you can choose one of the …

By default, Windows offers to save the passkey locally if you're using Windows Hello. If you select the option Use another device, you can choose to save the passkey in one of the following …

Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it. A digital license is a method of …

If you try to sign in using a passkey and see the error message "We couldn't use your device to verify your identity," it means the passkey is no longer valid on that device. To sign in, select …

A product key is a 25-character code that's used to activate Windows and helps verify that Windows hasn't been used on more PCs than the Microsoft Software License Terms allow.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.