Stellar Data Recovery software comes with an advanced upgrade feature that allows you to upgrade your activated software from lower to a higher edition.

If you wish to upgrade your 1 GB free software you must first activate it. To activate your free software to Standard edition, perform the following steps:

1. Launch Stellar Data Recovery Free Edition on your Mac.
2. From the top panel, click the Activation icon.
3. From the dialog window, enter the Standard key, then click Activate.
4. In case you don’t have a key, click Get it now.
5. Buy the Standard key. Fetch the key from your registered email ID.
6. Use the key to activate your software to Standard edition.

To upgrade your free software to professional edition, perform the following steps:

1. Launch Stellar Data Recovery Free Edition on your Mac.
2. From the software’s top panel, click the Gear icon. Select Upgrade to Higher Edition.
3. From the dialog window, click Get Upgrade Key.
4. Purchase the Professional key. Fetch the key from your registered email id.
5. Use the key to upgrade the Standard software.

Once the upgrade is successful, the software unlocks all the features of the Professional edition.