I'm running PowerPoint Presentations from my desktop app, which is written in the electron (node.js). I use child_process to run powerpnt.exe with params, and it works fine. I'm looking for similar solution for workstations, where only PowerPoint Viewer is installed. On some machines, pptview.exe was working fine, but this not always works, I need a reliable solution. I tried to find out the full PowerPoint Viewer path in Windows registry, but I'm not sure where should I look for. Maybe someone knows the reliable way to run pptx file from nodejs in PowerPoint Viewer? I'm running PowerPoint Presentations from my de