Because this is SketchUp 2016, not the newer 2017+ versions, you must manage expectations:
Given the rise of real-time engines (Enscape, D5, Twinmotion), why seek out V-Ray Adv 20026494 for SketchUp 2016? -Vray- V-Ray Adv 20026494 Sketchup 2016 Win X64
Unlike modern versions where everything lives in the Asset Editor, version 20026494 uses a modal toolbar system. Because this is SketchUp 2016 , not the