Talk:Scrolls/@comment-76.119.53.206-20120215005637/@comment-4706996-20120215052202

Select the "Free upgrade" Scroll from your Inventory. Click "OK" and it will take you to your island. Then select the building you want to upgrade and it should go shaded. Then click on the green check mark. If the building won't become shaded, then that object cannot be upgraded.