It returns 0 for valid, 1 for invalid.
key on this specific machine, he checked the Windows Registry. He navigated to: HKEY_CLASSES_ROOT\Software\think-cell There, under the licensekey value, he saw the same string from the text file. The Resolution Leo copied the key from serial.txt , pasted it into the think-cell license key window how to check think cell license key portable
Go to the official Think-Cell License Portal (https://portal.think-cell.com). Enter the key you found. The portal will tell you: It returns 0 for valid, 1 for invalid