Design Space for Web is no longer supported. Design Space for Desktop – a faster, more reliable, more capable application for Windows and Mac computers.

https://help.cricut.com
Download Design Space for Cricut

Once you install the new desktop app, you no longer need to go to a website to launch Design Space. Just open it like you would any other application on your computer. 

Download the Design Space for Windows and Mac here (the newest official release).

And welcome to the project catalog for Cricut & Cameo