First, click on the Collection you are working on. Next, add more folders to a Collection by clicking on “Add New Folder” on the left hand side.
Select the "Upload Folder(s)" option and you'll see a window appear. Select on your computer the folder group of folders you want to upload.
Drag them into the window and the upload will start!
Once complete, you'll see the folder names and images organized correctly. You're ready to create a gallery and share! 🎉