You need to reactivate your Tally.ERP 9 license if you have surrendered it. Reactivation could be for subsequent activation on the same computer or another computer. To reactivate your Tally.ERP 9 license 1. Start Tally.ERP 9. 2. Click V : Reactivate Your License in the Startup screen, as shown below: Note: You can alternatively, click F12: Configure > Licensing > Reactivate License . o If you are a Microsoft Windows standard user, and do not have the required rights, a message appears as shown below: Click Yes , and enter your computer administrator username and password to restart Tally.ERP 9 with administrator rights. o If you have Microsoft Windows administrator rights, a message appears as shown below: Click Yes , for Tally.ERP 9 to restart with administrator rights. 3. Enter the Administrator e-mail ID and Tally.NET password in the License Reactivation screen, as shown below: If you are the administrator of more than one site, the License Reactivation screen displays a List of Sites that can be reactivated, as shown below: Select the license that you want to reactivate. 4. Press Enter to reactivate. A confirmation message appears on reactivation of your license.