Navigate to the following path: HKEY_CURRENT_USER\Software\Classes\Software\think-cell
You don't always need to check manually. think-cell is designed to notify you: how to check think cell license key portable
If you cannot open PowerPoint or need to verify the key on a system where it was deployed via script, the key is stored in the Windows Registry: Press Windows + R , type , and hit Enter. and hit Enter. Once expired
Once expired, the dialog will stay open and block the use of think-cell until a new, valid key is entered. 5. Accessing Keys for Academic/Corporate Users how to check think cell license key portable