How do I get the Atlas configuration folder back?
If you deleted the Atlas configuration folder shortcut on your desktop, you can find it here: C:\Windows\AtlasDesktop.
If you wish to have the folder on your desktop, you should right-click on the folder and create a shortcut.

What about if I can't find AtlasDesktop?
You can download the .zip archive below, extract it, and place the AtlasDesktop folder in C:\Windows. The link below updates upon each new Atlas release.