: If you are moving from an older version to 6.6.3, you can Upgrade to Tally.ERP 9 Release 6.6.3 to ensure your data is properly migrated for GST compliance.
Here's a general outline of what you might find in a paper or document related to this topic: : If you are moving from an older version to 6
: After submitting these details, Tally will send an Unlock Key to your registered email. Enter this key in the "Unlock License" screen to complete the process. 3. Licensing Management : If you are moving from an older version to 6
: Launch the application and select A: Activate Your License on the Startup screen. Enter Credentials : You will be prompted to enter: Serial Number : Provided at the time of purchase. Activation Key : Provided with your serial number. : If you are moving from an older version to 6