Windows: fatal error C1083: Cannot open include file: 'expat.h' about ltx HOT 6 CLOSED

C:\Users\michaelr>npm -g install node-expat
npm http GET https://registry.npmjs.org/node-expat
npm http 200 https://registry.npmjs.org/node-expat
npm http GET https://registry.npmjs.org/node-expat/-/node-expat-2.0.0.tgz
npm http 200 https://registry.npmjs.org/node-expat/-/node-expat-2.0.0.tgz
> [email protected] install C:\Users\michaelr\AppData\Roaming\npm\node_modules\node-expat
> node-gyp rebuild
C:\Users\michaelr\AppData\Roaming\npm\node_modules\node-expat>node "C:\Program Files\nodejs\node_modules\npm\bin\node-gyp-bin\\..\..\node_modules\node-gyp\bin\node-gyp.js" rebuild
Building the projects in this solution one at a time. To enable parallel build, please add the "/m" switch.
  xmltok.c
  xmlrole.c
  xmlparse.c
..\..\..\deps\libexpat\lib\xmlparse.c(1844): warning C4244: 'return' : conversion from '__int64' to 'XML_Index', possible loss of data [C:\Users\michaelr\AppData\Roaming\npm\node_modules\node-expat\build\deps\libexpat\expat.vcxproj]
  expat.vcxproj -> C:\Users\michaelr\AppData\Roaming\npm\node_modules\node-expat\build\Release\lib\libexpat.node
  node-expat.cc
..\node-expat.cc(165): warning C4267: 'argument' : conversion from 'size_t' to 'int', possible loss of data [C:\Users\michaelr\AppData\Roaming\npm\node_modules\node-expat\build\node_expat.vcxproj]
..\node-expat.cc(409): warning C4800: 'int' : forcing value to bool 'true' or 'false' (performance warning) [C:\Users\michaelr\AppData\Roaming\npm\node_modules\node-expat\build\node_expat.vcxproj]
..\node-expat.cc(422): warning C4800: 'int' : forcing value to bool 'true' or 'false' (performance warning) [C:\Users\michaelr\AppData\Roaming\npm\node_modules\node-expat\build\node_expat.vcxproj]
     Creating library C:\Users\michaelr\AppData\Roaming\npm\node_modules\node-expat\build\Release\node_expat.lib and object C:\Users\michaelr\AppData\Roaming\npm\node_modules\node-expat\build\Release\node_expat.exp
  Generating code
  Finished generating code
  node_expat.vcxproj -> C:\Users\michaelr\AppData\Roaming\npm\node_modules\node-expat\build\Release\\node_expat.node
[email protected] C:\Users\michaelr\AppData\Roaming\npm\node_modules\node-expat
C:\>