HKEY_CURRENT_USER\Software\think-cell\License
If you are an IT admin or need to check it without opening PowerPoint, you can use the licensetool.exe found in the think-cell installation folder: C:\Program Files (x86)\think-cell\licensetool.exe Run this via Command Prompt to see active license details. 🔑 Troubleshooting Key Issues
think-cell verifies the license key every time you launch PowerPoint or Excel.