Campbell Scientific PC400 Datalogger Support Software - Manual (Page 19)

Section 2. System Requirements
2.1 Hardware and Software
PC400 is an integrated application of 32-bit programs designed to run on Intel-
based computers running Microsoft Windows operating systems.
Recommended platforms for running PC400 include Windows XP, Windows
Vista, or Windows 7 because they offer the most stable operating
environments.
PC400 also requires that TCP/IP service be installed on the PC.
2-1