Hi Annalyn!
To remove the watermark you need to register the software, which means you pay for us to send you a registration code. You can do that by going here:
http://www.programmingart.com/products/slideshow/
And choosing the operating system your computer runs on the right side of the page. After your order you will be sent an email with your registration code. Thanks!
Notice: due to an unmanageable amount of spam, the forums are closed to new members until further notice. You may still get support for any of your software products by emailing us at support@ at our website domain. Please feel free to browse existing posts as a guest as there is plenty of valuable information here. Thanks!