Here's how to do so:

Make sure that Data Recovery Wizard is not running.

On the Windows Start menu, go to Start > Programs > Recovery-Soft Data Recovery Wizard 4.3.6 > Uninstall Data Recovery Wizard 4.3.6.

Click "Yes" to confirm the Uninstall. Data Recovery Wizard will be completely removed from your computer automatically.

If this item is not available, you can remove Data Recovery Wizard as follows:

1. Click "Control Panel", and then double-click the "Add or Remove Programs" icon.
2. Click Data Recovery Wizard, and then click "Remove".
3. Click "Yes" when the confirmation dialog box appears.
4. Follow the on-screen instructions.