PC lock

Starting from version 1.2.9 you also can block your Windows account if you enrolled your Authenticator for PC login.

Just go to the account that you signed in to and tap the "Lock Workstation" button. The workstation will be locked.

That is what this button looks like for passwordless accounts:

That is what this button looks like for password-based accounts:

Please, note: the roaming feature applies ONLY to unlocking. You can lock only that workstation on which the Authenticator was enrolled.