Upgrade Pretty Links Lite to Pro:
- Login to your WordPress dashboard as the administrative user.
- Click on the Pretty Links -> Activate menu.
- Paste in your license key (from your account page)
- You'll receive a message at the top of the page letting you know you can now upgrade automatically to Pro.
- Click on the link in that message to upgrade.
- Done! You now should see the extended Pro menu's and additional Options: