On your computer, open Chrome. At the top right, select More Passwords and autofill Google Password Manager. On the left, select Settings. Turn Offer to save passwords and passkeys on or off. Turn automatic passkey creation on or off When you sign in to an app or site with a password saved in Google Password Manager, it may create a passkey for …
https://support.google.com/accounts/answer/6197437?hl=en-GB&co=GENIE.Platform%3DDesktop