>Surface pro has a BIOS interface, it's just stupidly inaccessible I think you misunderstand. Surface Pro supports only UEFI, not legacy BIOS. What you are ref

>Surface pro has a BIOS interface, it's just stupidly inaccessible I think you misunderstand. Surface Pro supports only UEFI, not legacy BIOS. What you are referring to as a "BIOS interface" is in fact the UEFI firmware settings. If you're having issues accessing the settings, this article may be helpful: https://support.microsoft.com/en-ca/help/4023531/surface-using-surface-uefi-on-surface-laptop--new-surface-pro--surface https://support.microsoft.com/en-ca/help/4023531/surface-usi... I'm not sure what you mean by "install your own copy of windows" but you can certainly boot from USB by following the instructions here: https://support.microsoft.com/en-ca/help/4023511 https://support.microsoft.com/en-ca/help/4023511