1.install TDM GCC-64 x86 webdl build on C disk 2.install msys when will be asking press y point to C:/TDM-GCC-64 3.install msys DTK 1.0 in C:/msys/1.0 4.install msys CORE 1.0 untar it in C:/msys/1.0 5. copy to bin folder from archives in folder bin :glib2.2.8-1,gettext- runtime_0.18.1.1-2,pkg-config_0.26-1,yasm-1.3.0 and rename to yasm,pr.exe,mktemp_1.6. 6.copy dx7headers to include folder 7.copy unpacked zlib folder to C:/msys/1.0/home/v (or other username if you have other than v) 8. type in console 'ls' 9.write in console cd zlib or zlib-1.2.11 after typing write in console make -f win32/Makefile.gcc BINARY_PATH=/bin INCLUDE_PATH=/usr/local/include LIBRARY_PATH=/usr/local/lib install 10. instal cmake on C 11.write in ffmpeg folder file called CMakeLists.txt 12.in cmake lists.txt write : Cmake_minumim_required(VERSION 3.10.1) project(app_ffmpeg) add_executables(myproject ffmpeg.c) install (TARGETS myproject DESTINATION bin) 13.run cmake gui browse source code on C, browse build to C:/CMAKE/bin press configure choose default native gcc compiler makefiles generate few times lines should be white 14.type cd c:/ffmpeg-3.3.5 after that write make 15.exit msys 16. run msys again type cd c:/Mplayer-1.3.0 after that write make 17.happy compiling