Copy the 3 attached V3.12 build 99 RC13b configuration (.cfg), maintenance (.mnt) and Bin files into the following folder on your PC / Laptop: C:\ Program files (x86) \ ZP3 ZITON Tools \ FW \ 71910 You are now able to upgrade your ZP3 panel to the latest V3.12 build 99 RC13b which is compatible with the SW72001 V3.05 line driver PIC.