额。。。。我装的是vs2013 不能用吗？

无法编译该项目。您想在Visual Studio中打开它吗？

Running E:/虚幻/UE_4.16/Engine/Binaries/DotNET/UnrealBuildTool.exe myxm Development Win64 -project="d:/Documents/Unreal Projects/myxm/myxm.uproject" -editorrecompile -progress -NoHotReloadFromIDE
Performing full C++ include scan (building a new target)
Creating makefile for myxm (no existing makefile)
No Visual C++ installation was found. Please download and install Visual Studio 2015 with C++ components.
@progress push 5%
Parsing headers for myxmEditor
  Running UnrealHeaderTool "d:\Documents\Unreal Projects\myxm\myxm.uproject" "d:\Documents\Unreal Projects\myxm\Intermediate\Build\Win64\myxmEditor\Development\myxmEditor.uhtmanifest" -LogCmds="loginit warning, logexit warning, logdatabase error" -Unattended -WarningsAsErrors -installed
Reflection code generated for myxmEditor in 11.9550552 seconds
@progress pop
ERROR: Visual Studio 2015 must be installed in order to build this target.

mknmknmk 发表于 2017-7-30 02:48
https://docs.unrealengine.com/latest/INT/Programming/Development/VisualStudioSetup/

感谢大佬