Is this your first time configuring DNN? Did you just get told to take care of the website and don't know where to even begin? Well, you're in the right place. Ask your configuration/admin questions in this forum and also feel free to review the documentation for this topic using the link below.
[Edited by someone other than Will ...]
https://dnndocs.com/content/administrators/
The link above doesn't work. You may want to look at https://dnndocs.com, but the admin section is decidedly lacking in information. Feel gree to help improve it.