In order for this process to work successfully, this presumes you have been granted permission by the Flickr account owner to access the high res images.
Click any of the images below to enlarge.
|Fig 1: Select the image you want to download.|
|Fig 2: Click this icon in the corner and you will see the available sizes, including original.|
|Fig.3: So long as you can see the 'Original', go ahead and download from this menu. No need to progress to Fig.4|
|Fig 4: Check out all the different sizes and pick the one you want.|