maintenance mode

hi
how can i put the store in a "maintenance mode" or a say an "offline mode" so that customers only see a page and Admin can access the store?
using 3.9
tnx

hi
please refer to this

https://www.nopcommerce.com/boards/t/18666/put-website-offline.aspx

thank u for ur prompt response!
but i didn't find that setting in 3.9
maybe im missing something?

Hello,

please refer to this image

https://ibb.co/jOOv1v

this was taken from the Demo admin panel.

Configuration--> Settings--> General
make sure to switch to advanced view.

http://admin-demo.nopcommerce.com/Admin/Setting/GeneralCommon

thanks a lot