Autodesk FBX SDK 2020.2 /Engine/Source/ThirdParty/FBX We use it to import fbx file. The fbx file is what we use to import meshes and animation into the editor. This sdk is not use at runtime. /Engine/Source/ThirdParty/Licenses/Autodesk_FBX_SDK_2020-2_License.pdf Licensees Git P4 /Engine/Source/ThirdParty/Licenses