For new projects, consider upgrading to newer SketchUp versions and iRender NXT's successors (if available), but for existing 2015-based pipelines, this combination remains a proven choice.
IRender nXt operates as a 64-bit DLL when used with the 64-bit version of SketchUp 2015, allowing it to utilize 3GB or more of RAM for complex scenes. irender nxt for sketchup 2015 4 verified
: A dedicated feature to create immersive 360-degree panoramic images that can be viewed in VR or specialized viewers. For new projects, consider upgrading to newer SketchUp