How do i download 4k images from artstation?

4k images on artstation are locked behind a paywall. Is there any way to download to them for free? I am looking for these specifically https://www.artstation.com/artwork/nYdk9E

For anyone wondering the solution is :

Image Max URL - https://qsniyg.github.io/maxurl/ Image Max URL Firefox Addon: https://addons.mozilla.org/en-US/firefox/addon/image-max-url/ It's github page:https://github.com/qsniyg/maxurl