* Unzip
* Open projects\vstudio\libpng.sln
* Set configuration to Release Library
* Select the wanted platform
  * If you want to make the x64 lib, you have to create a new project platform based on the Win32 platform
* Add ZLIB_WINAPI to preprocessor defines
* Change whole program optimisations to No
* Change link time code generation to No
* Build pnglibconf and then build only libpng
* Lib in projects\vstudio\{x64\}Release Library
* Rename the lib to libpng.lib
