I see few questions gets repeated and i thought of starting this F.A.Q so people can get basic help here. The F.A.Q's are not in specific order. So kindly do search within the post.
1) How to change the news?
Log into your Administrator Panel and then. Main -> News and Newsletters -> News
2) What if i don't want to display any news?Just delete all the news and the News bar will be removed.
3) How do i change Forum name?Login to your Administrator Panel and go to Configuration and in that Server Settings. Now change the forum name as you like.
4) How do i grab Favicon or image when posting the website url in Social Media?In index.template.php add
<meta property="og:image" content="' . $context['favicon'] . '" />
after
<link rel="shortcut icon" sizes="196x196" href="' . $context['favicon'] . '" />
5) No permission to access Database while using ImporterYou may get permission error when you use Importer to import from "X" software to ElkArte. All you have to do is, give ElkArte Database User the access to "X software Database Name.