Windows NT , . , , . . NT . , (HAL), (Executives), (Kernel-mode drivers) (User-modedrivers).
, \ -. (Environment) (Integral).
, . . , . , , .
(Integral subsystem ) . , . , , . API ( ). .
Windows NT . . , . . .
x86 4 0 3, 0 3 . 3, 0. RISC, . , , , , HAL.