After the successful registration process, you get a Canva window to remind you about Canva Pro which is apaid version and there are pre-configured additional templates and designs available to you. You can try their free 14 days trial if you want.

Otherwise Just select Maybe Letter from the upper right corner.

immediately you see a screen with different options telling you, What purpose do you use Canva? select what suits you best.

Now you land on the homepage dashboard of Canva and everything is all set to use.

Next working with Desktop Wallpaper