As publishing flipping book online becomes a popular trend nowadays, the security problem has been a concern for some publishers. If you want to create a flipping book for limit sharing, Kvisoft flipping book maker can provide you with the password setting to make access to your flash flipping book an authorized issue.

Click Design -> Advanced Settings, you'll find the Password in this column.
 
1. Tick the checkbox and write down the password you'd like to add in the right blank box;
2. Click the draw button to preview the results. You'll find the password enter box;

 
Input the password you set just now, and press the Enter key; the flipping book will start to work.

Have a free trial of Kvisoft digital flipbook software now! It's easy to keep your flash flipbook secure.