Where are the themes? I can only see a description how easy it all is now, but...

Hello,

it has been some time since I've last logged in. I was going to look for a theme that fits my purposes.

Well now, when I click on "themes" I get a description about how things have changed. But I miss an overview of the themes. Just like here:

https://premium.wpmudev.org/project/simplemarket/

Where do I get to the different themes?

Thanks for your help,
Fabian