Deploying the new Secure Boot certificates to your fleet of devices requires that the device firmware play a role in completing the update. While Microsoft expects that most device firmware will perform as expected, careful testing is needed before deploying the new certificates.

Thanks to all the great feedback Xbox Insiders provide and the hard work of Xbox engineers, we are happy to announce the following fixes have been implemented with this build: Various stability and performance fixes. Various updates to properly reflect local languages across the console.

Secure Boot certificate servicing on Windows is a coordinated process between the operating system and a device’s UEFI firmware. The goal is to update critical trust anchors while preserving the ability to boot at each stage.

We are releasing a new Xbox Update Preview to the Delta ring today. Continue reading below to learn all about what's included with this update. Note If you have enabled Keep my console up to date, the update will download and install automatically.

If you don't want to purchase a digital certificate from a third-party certificate authority (CA), or if you want to digitally sign your document immediately, you can create your own digital certificate.

Fixes to address games sometimes failing to launch in the app without an error. Various performance and stability fixes.

Updated 2023 certificates are being delivered automatically through Windows Update to consumer devices and some business devices. The Windows Security app now shows whether devices have received these updates, their current status, and whether any action is needed.

For the best results on iOS devices, make sure you're using the Safari browser for cloud gaming. Review the info in the section “Understand mobile networking recommendations” below for more details about Wi-Fi versus mobile connectivity.

This state appears only after a security vulnerability that affects the boot process is discovered and cannot be serviced on devices that have not yet received the updated certificates. This could occur as early as June 2026, when some of the current Secure Boot certificates begin to expire.

This might affect the ability of certain personal and business devices to boot securely if not updated in time. To avoid disruption, we recommend reviewing the guidance and taking action to update certificates in advance.