Images in Content Manager can be downloaded individually or you can download the entire contents for a property.
To download one image in Content Manager, navigate to the property and image of choice. Hover over the image, click the three dots that appear there and then select "Download" from the drop down menu.
To download multiple images, hover over each image and select the checkbox in the top left corner. Then press download in the dialogue box that appears in the bottom of the screen.
The selected files will download as a ZIP file in your browser.