I understand that. But I didn't find any win32 binaries of the latest "under development" version and I am not familiar with compilers. I tried to compile the MSVC2010 project file but I got a FATAL ERROR: Build started 2010.12.16. 1:43:46. 1>Project "C:\Users\Administrator\Documents\Visual Studio 2010\Projects\mm2-Little-CMS-782564e\Projects\VC2010\tifficc\tifficc.vcxproj" on node 5 (build target(s)). 1>InitializeBuildStatus: Creating "Release\tifficc.unsuccessfulbuild" because "AlwaysCreate" was specified. ClCompile: C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\CL.exe /c /I../../../include /I../../../utils/common /Zi /nologo /W4 /WX- /O2 /Oi /Oy- /GL /D WIN32 /D NDEBUG /D _CONSOLE /D _UNICODE /D UNICODE /Gm- /EHsc /MD /GS /Gy /fp:precise /Zc:wchar_t /Zc:forScope /Fo"Release\\" /Fd"Release\vc100.pdb" /Gd /TC /analyze- /errorReport:prompt ..\..\..\utils\common\vprf.c ..\..\..\utils\common\xgetopt.c ..\..\..\utils\tificc\tificc.c vprf.c xgetopt.c tificc.c 1>..\..\..\utils\tificc\tificc.c(29): fatal error C1083: Cannot open include file: 'tiffio.h': No such file or directory 1>Done Building Project "C:\Users\Administrator\Documents\Visual Studio 2010\Projects\mm2-Little-CMS-782564e\Projects\VC2010\tifficc\tifficc.vcxproj" (build target(s)) -- FAILED. Build FAILED. Time Elapsed 00:00:00.36