Open the official Ashampoo Photo Optimizer 10 giveaway page and enter your email address. Ashampoo sends the full-version license key to that address. If you’ve never used Ashampoo software before, you’ll be asked to create a free Ashampoo account
Run the installer and follow the setup wizard.
When the activation screen appears paste the license key from your email.
Click Activate Now! to unlock the full version.