To upgrade the software:
1. Run Stellar Data Recovery.
2. From the side-panel, click on 
Upgrade button.
3. Software Upgrade screen appears as shown below:
4. If you don’t have the Upgrade Key, click Get Upgrade Key link in the window to go online and purchase the product.
5. Type the Upgrade Key (received through e-mail after purchasing the upgraded product) and click Upgrade button (Please ensure that you have an active Internet connection).
6. The software would automatically communicate with the license server to verify the entered key. If the key you entered is valid, the software will be upgraded successfully.
7. ‘Stellar Data Recovery upgraded successfully‘ message is displayed after the process gets completed successfully. Click OK.
