This specific 3D model, "Viking Sword Low-poly 3D model 11", is an asset made available by "Unknown author".
You can download this asset for free at "Unknown platform" by following the link.
The licensing terms for this digital asset are governed by "Unknown license".
OBJ (OBJ, filesize: 268 MB), MAX (Autodesk 3ds Max, filesize: 268 MB), FBX (Autodesk FBX, filesize: 268 MB), BLEND (Blender, filesize: 268 MB), USDZ (USDZ, filesize: 268 MB), TBSCENE (Marmoset Toolbag, filesize: 268 MB), GLTF (glTF, filesize: 134 MB)