DTU-WIND

hi i am working in aproject where i receive data from a ni A/D board, through a DAQMX, at 6400 hz. i have to receive the data for 10 minutes and then save it and then process the data....but the trick here is not to lose any data in the data acquision session meanhile i process the data....and display the result... i have been told about multitasking in labview ... and mutilthreading as well.. i dont knw ehcih to use for my project ...and how to enable multithreading . they said i should go to EDIT and then Preferences , but i cant find prefernces in EDIT.......... do u have further ideas...please share them with me.. DTU-WIND