This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow elevation of privilege if the Windows Secondary Logon Service fails to properly manage request handles in memory. To learn more about the vulnerability, see Microsoft Security Bulletin MS16-032.

This security update resolves a vulnerability in Microsoft Windows. An attacker who successfully exploited this vulnerability could run arbitrary code as an administrator. To learn more about the vulnerability, see Microsoft Security Bulletin MS16-046.

This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow elevation of privilege if the Windows Secondary Logon Service fails to properly manage request handles in memory. To learn more about the vulnerability, see Microsoft Security Bulletin MS16-032.

Windows 10 updates are cumulative. Therefore, this package contains all previously released fixes. If you have installed earlier updates, only the new fixes that are contained in this package will be downloaded and installed on your computer.

Go to Sign-in options. Change or manage your password or PIN. To change your password or PIN, go to Start > Settings > Accounts > Sign-in options. Select PIN (Windows Hello), and then select Change PIN. Select Password then select Change.

Windows 10 updates are cumulative. Therefore, this package contains all previously released fixes. If you have installed previous updates, only the new fixes that are contained in this package will be downloaded and installed to your computer.

Windows 10 and Windows Server 2016 updates are cumulative. Therefore, this package contains all previously released fixes. If you have installed previous updates, only the new fixes that are contained in this package will be downloaded and installed to your computer.

Learn how to add user accounts in Windows 10 and Windows 11. With an account, each person has separate files, browser favorites, and a private desktop.

Learn how to sign in, sign out, lock, and switch user account in Windows.

Two-step verification (sometimes called multi-factor authentication) helps protect you by making it more difficult for someone else to sign in to your Microsoft account. It uses two different forms of identity: your password, and a contact method (also known as security info).