Forum:Uploading Pictures Noob Help

Hi I am new to Wikia and I am try to add a to the Sacred Seasons 2 Wiki. I a reading the Help: Add Pictures file and it says

"Upload allows you to use the "browse" button to select an image from your computer. Once you have chosen the file, click the "upload" button." aad

"Once the image is uploaded, a new pop up box will appear. This lets you to provide details about the image, including the name and license. "

But I am not getting that pop up box when I press upload. I am using JPEG Format but dont know if that is the trouble.

I someone tell me how to get it to work? Thanks