How to add\rearrange menu links?
Go to admin->structure->Menus
Select a needed menu (for example “main menu”)
If you need to rearrange some links - simply drag a needed link to the place you want.
To add a new menu link try to click “add link” button.
Note that “Path” field should contain a valid url.
Save it and drag to the place you need.
That’s it.