I'm running it on a dual 450 P-II under nt4, and it's damn fast. PIC-C compiles programs before my finger leaves the button. Jc :) At 12:17 AM 4/6/99 +0300, you wrote: >>>> Hi , How can i speed up MPLAB 4.000 ? Thanks for any help John A. Craft (601)689-8100 Voice Vice President, Sr. Analyst (601)689-8130 Fax Nation Computer Services, Inc. http://www.ncs-ssc.com MSAAP Bldg 9110 craft@ncs-ssc.com Stennis Space Center, MS 39529