This may occur if you try to start from external media, such as an attached USB or DVD drive.

If a 32-bit version of the operating system is installed, it may not start correctly. On these devices, 32-bit versions of Windows are unsupported. Surface Pro devices are optimized for 64-bit versions of the operating system. Although you can install another system, such as Windows 8.1, you must supply a valid product key for that system to be able to activate it. For example, if the device is running on Windows 10 Home, you can restore or install only Windows 10 Home by using the available product key. If a different operating system is installed, you must indicate the current product to activate it. Note The product key in the firmware activates only the operating system that is included together with the device. Windows 10, Version 1803 build 17134 and later versions Windows 10, Version 1511 build 10586 and later versions Windows 10, Version 2004 build 19041 and later versions Windows 11, Versions 22H2 build 22621 and later versions Windows 10, Version 21H2 build 19044 and later versions Surface Laptop 3 15' for Business (Intel CPU) Windows 11, Version 22H2 build 22621 and later versions Windows 10, Version 21H2 build 19044 and later versions Windows 10, Version 1909 build 18363 and later versions Windows 11, Version 21H2 build 22000 and later versions Windows 10, Version 21H2 build 19044 and later versions Windows 10, Version 20H2 build 19042 and later versions Surface Hub 2S with Windows 10 Pro or Enterprise Windows 10 Team Edition, Version 20H2 build 19042 and later versions Windows 10 Team Edition, Version 20H2 build 19042 and later versions Windows 10, Version 1709 build 16299 and later versions Windows 10, Version 1709 Build 16299 and later versions Windows 10, Version 1809 build 17763 and later versions Windows 10, Version 20H2 build 19042 and later versions Windows 10, Version 1507 build 10240 and later versions Windows 10, Version 1607 build 14393 and later versions Windows 10, Version 1703 build 15063 and later versions Windows 11, Version 21H2 build 22000 and later versions

Windows 10, Version 1903 build 18362 and later versions This article lists the versions of Windows that are supported on various Microsoft Surface devices.

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