When you first run the installer, it will prompt you for your serial number. After entering it, the software generates a "Computer ID." 2. Online vs. Offline Activation
Are you trying to for an older version, or When you first run the installer, it will
This is a secondary, machine-specific string. Unlike the serial number, the authentication code is generated after the software is "registered" to a specific computer. It acts as the final "verified" key to unlock the software features. Why "Verified" Codes Matter When you first run the installer