After onlinetoday insstall - > image
There i can change time setings time to 24 H
There i can off members change name ?
Not sure if i follow but ...after an install you have the } character in the middle of your page. And you want to change your time settings?
But i don't know about the last one...change member names?
Check the index template for a spare }
To stop users changing their usernames, there's a settings in the settings for the usergroups. ACP > Users & Groups > Groups > **choose group**.
i cannot find }}} there i can it download -> image