Upon purchasing Tally.ERP 9 from an authorized partner or directly from Tally Solutions, you will receive a confirmation email. This email contains your Serial Number . You will also be provided with credentials to log into the Tally Solutions Portal (or the Control Center).
If you have purchased a legal copy of Tally ERP 9, you can retrieve your credentials through the following official channels: Serial Number And Activation Key For Tally Erp 9
While not part of the "keys" you type in, the System ID is the third pillar of the process. Tally.ERP 9 uses a hardware lock mechanism. When you install the software, it reads a unique ID from your computer's motherboard or hard drive. The Activation Key generated for you is valid only for that specific System ID. If you change your computer or format your hard drive, the System ID changes, and you must reactivate the license. Upon purchasing Tally