To defragment a disk or volume:
1,If you have installed a defragmenting tool for Windows NT, in My Computer or Windows NT Explorer, click the volume you want to defragment.
2,On the File menu, click Properties, and then click the Tools tab.
3,Click Defragment Now and follow the instructions on the screen.
This button is not available if you have not installed a defragmenting tool.
**Tip
If you do not have a defragmenting tool for Windows NT, you can defragment the disk or volume by backing up to tape, reformatting the volume, and restoring from tape.
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ТОВА ГО ПИШЕ В ХЕЛПА НА WIN NT И АЗ ОТ ТАМ ТИ ГО КОПНАХ И ПЕЙСТНАХ, друг е въпроса ако не можеш да си го преведеш