Miroslav, you can install the app I referred to with this command:
sudo apt install network-manager-gnome
I think it will show in your app launcher then. If not, the command to run the app is
nm-connection-editor
Miroslav, you can install the app I referred to with this command:
sudo apt install network- manager- gnome
I think it will show in your app launcher then. If not, the command to run the app is
nm-connection- editor