See the LDraw FAQ at http://fys.ku.dk/~sparre/LEGO/Værktøj/LDraw-FAQ.html.
Join the L-CAD mailing list. Send mail to LISTSERV@DFINNEY.UHSA.UH.EDU with SUBSCRIBE L-CAD in the body of the message.
For new users:
LDRAW.EXE.
(965 Kb)
For existing users:
LP97-12.EXE.
(118 Kb)