encountered this issue while following steps..

[abal-bianix]

C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V140\Platforms\x64\PlatformToolsets\v140\Toolset.targets(36,5): error MSB8036: The Windows SDK version 8.1 was not fo
und. Install the required version of Windows SDK or change the SDK version in the project property pages or by right-clicking the solution and selecting "Retarget solu
tion". [C:\Bianix\fileUploader\node_modules\lwip\build\lwip_decoder.vcxproj]
C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V140\Platforms\x64\PlatformToolsets\v140\Toolset.targets(36,5): error MSB8036: The Windows SDK version 8.1 was not fo
und. Install the required version of Windows SDK or change the SDK version in the project property pages or by right-clicking the solution and selecting "Retarget solu
tion". [C:\Bianix\fileUploader\node_modules\lwip\build\lwip_encoder.vcxproj]
C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V140\Platforms\x64\PlatformToolsets\v140\Toolset.targets(36,5): error MSB8036: The Windows SDK version 8.1 was not fo
und. Install the required version of Windows SDK or change the SDK version in the project property pages or by right-clicking the solution and selecting "Retarget solu
tion". [C:\Bianix\fileUploader\node_modules\lwip\build\lwip_image.vcxproj]
gyp ERR! build error
gyp ERR! stack Error: C:\Program Files (x86)\MSBuild\14.0\bin\msbuild.exe failed with exit code: 1
gyp ERR! stack at ChildProcess.onExit (C:\Users\abal\AppData\Roaming\npm\node_modules\npm\node_modules\node-gyp\lib\build.js:276:23)
gyp ERR! stack at emitTwo (events.js:106:13)
gyp ERR! stack at ChildProcess.emit (events.js:191:7)
gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:215:12)
gyp ERR! System Windows_NT 10.0.14393
gyp ERR! command "C:\Program Files\nodejs\node.exe" "C:\Users\abal\AppData\Roaming\npm\node_modules\npm\node_modules\node-gyp\bin\node-gyp.js" "rebuild"
gyp ERR! cwd C:\Bianix\fileUploader\node_modules\lwip
gyp ERR! node -v v6.9.1
gyp ERR! node-gyp -v v3.4.0
gyp ERR! not ok