You might be wondering if Windows is using UEFI or the legacy BIOS, it’s easy to check.
Just fire up MSINFO32 and look for this entry:
There are two possibilities here, either UEFI or Legacy.
FROM: http://blogs.technet.com/b/home_is_where_i_lay_my_head/archive/2012/10/02/how-to-check-in-windows-if-you-are-using-uefi.aspx
