Gnuplot Version 4.6.6 (September 2014) Files: gnuplot-4.6.6.tar.gz source files for all operating systems announce.4.6.6 Release notes gnuplot.pdf User Manual Binary packages for Windows gp466-win32.zip windows binaries gcc-4.9.0 (MinGW-w64 32 bit dwarf) gp466-win32-setup.exe self-installer package of above gp466-win64.zip windows binaries gcc-4.9.0 (MinGW-w64 64 bit seh) gp466-win64-setup.exe self-installer package of above gp466-cygwin-x86.zip Cygwin x86 (32 bit) binaries prepared by gcc-4.8.3 gp466-cygwin-x86_64.zip Cygwin x86_64 (64 bit) binaries prepared by gcc-4.8.3 Note: Most users should consider switching to gnuplot version 5.0 (5.0.0 release January 2015). However version 5 binaries for 64-bit MSWindows are not yet available, so the default Windows download link still points here to version 4.6.6