Select Tools, then select External Tools... in Visual C++. Click on Add and provide the followings.
Title &WindbgSave the configuration and test if it works. Open a project that builds an executable file. Select Tools, then select Windbg to start the debugger. In the command window type
Command C:\Program Files (x86)\Debugging Tools for Windows (x86)\windbg.exe
Arguments -srcpath $(ProjectDir) $(TargetPath)
Initial directory $(TargetDir)
.open example.cpp
to load the source code. The source window should pop up with the source file in it. Move the cursor in the source window and press F9 to place a breakpoint.