To start using passkeys on a new device, users need to enter their Google Password Manager PIN or the screen lock for their Android device. After entering these credentials, the saved passkeys will sync across all devices.

Google is improving passkey support in Chrome by making it easier to use the passwordless sign-in credentials across different devices. The search giant is introducing a Google Password Manager PIN that allows users to securely save and synchronize passkeys for use across Windows,

Google is rolling out support for passkey syncing via its Password Manager tool built into Chrome on macOS, Linux, and Windows.