1. From your main menu screen on Squarespace, click on the Pages menu. 
  2. Click the + button next to the menu you want to add your drop-down to. 
  3. Select "Folder."
  4. Name the Folder what you want it to appear in your navigation. 
  5. Add the pages or links that you want to come up under the drop-down menu to the folder by dragging them under the folder new folder icon. 
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