How do I change the IDE to a different IDE such as VS 2013 community?
When you generate Visual Studio solution files for a UE4 project it is actually set up to use Unreal Engine’s own compiler tools, UnrealHeaderTool and UnrealBuildTool. You should use these. Are you running into any issues?
I know it’s not the answer you want, but you must use VS for the most part. I get away with editing the generated C++ files with Notepad++. I know there is an effort to provide more flexibility by the community right now.
Do you mean changing the IDE from VS Express or VS Professional to VS Community? Not sure if there’s a default settings that you can change so it always open VS Community.