Summary. This security update makes improvements to Secure Boot DBX for the supported Windows versions listed in the "Applies to" section. Key changes include the following:

Discover how to earn Microsoft Rewards points through various activities and redeem them for exciting rewards.

Learn how to use the PC Health Check app to help you improve your device performance.

Learn how to use Narrator, a screen-reading app built into Windows, with this complete guide and how-to articles.

Aprende a conectar un dispositivo Bluetooth en Windows y ajustar la configuración de emparejamiento de Bluetooth.

Learn how to join a Microsoft Teams meeting if you don't have an account. Join a Teams meeting as a guest in the Windows app or on the web.

Use Find my device to locate and lock your lost or stolen Windows devices.

Sign in to account.microsoft.com, then select Order History on your Rewards page.

This article tells you how to add email accounts to the Mail and Calendar apps so you can start sending and receiving email and creating and managing events.

Discover the latest updates for Windows 10, including improvements and fixes, known issues, and guidance on how to get the update.