Learn about Unified Extensible Firmware Interface (UEFI) features and how to access them on Surface Pro 4, Surface Book, and Surface Studio.

While the requirement to upgrade a Windows 10 device to Windows 11 is only that the PC be Secure Boot capable by having UEFI/BIOS enabled, you may also consider enabling or turning Secure Boot …

Oct 14, 2025 · If you need to enable TPM, these settings are managed via the UEFI BIOS (PC firmware) and vary based on your device. You can access these settings by choosing: Settings > Update & …

Jun 26, 2025 · As an industry standard, UEFI Secure Boot defines how platform firmware manages the certificates, authenticates firmware, and how the operating system (OS) interfaces with this process.

The table below shows which devices have the updated certificates already present in UEFI (and as of which version, if applicable) and updated recovery image status.

تعرّف على ميزات الواجهة الموحدة للبرامج الثابتة الموسعة (UEFI) وكيفية الوصول إليها على Surface Pro 4 وSurface Book وSurface Studio.

Oct 14, 2025 · Learn about Unified Extensible Firmware Interface (UEFI) features and how to access them on Surface Pro models and Surface 3.

Jun 15, 2022 · This event is logged when the Microsoft UEFI CA 2023 certificate is added to the DB variable. The DB variable is used to add trust for Secure Boot components and is typically used to …

If you forgot your UEFI password, here's what you can do. Check with your IT administrator for the password If your device is managed by someone else, such as your IT department or a different …

Oct 14, 2025 · How these keys work together IT admins configure the AvailableUpdates registry value to 0x5944, which signals Windows to execute the Secure Boot key update and installation on the …