The [Browser] Menu

Navigate the folder hierarchy.
[Add to Favorites]
Add the current folder to [Favorite Folders] in the browser palette (0 The Browser Palette).
[Favorite Folders]
Choose a folder from those listed under [Favorite Folders] in the browser palette.
[New Folder]
Create a new folder in the current folder.
[View in Explorer] (Windows)/[View in Finder] (macOS)
Open the current folder in Windows Explorer (Windows) or the Finder (macOS).
[Show Images from Subfolders of Current Folder]
Include pictures in folders under the current folder in thumbnail and filmstrip views.