dvd writer windows nt4.0

"i dont want use a higher version or use sp" I think you mean XP. You may want to read this first: http://nt4ref.zcm.com.au/optical.htm Take note of what they say about trying to burn DVD's on old-hardware (a Pentium 133 will burn CD's but not DVD's). Verify first that your hardware is "stout-enough" to support DVD-burning. Also, I'd strongly advise staying away from cheaper media until at least you know you can burn easily with the better-quality stuff. Having said all that, one of the better free ones that still (per their web page) supports NT4 is ImgBurn: http://www.imgburn.com/ "Channeling the spirit of jboy..."