When viewing threads list click "edit" button for thread, you should see option to sticky it.
When viewing thread click "thread tools" dropdown and you'll see option to sticky thread.
If you don't see it, you have setup permissions incorrectly.
When viewing threads list click "edit" button for thread, you should see option to sticky it.
When viewing thread click "thread tools" dropdown and you'll see option to sticky thread.
If you don't see it, you have setup permissions incorrectly.
Admin control panel -> users -> user group permissions -> select group. That will show you permissions list for group.
If you want to set it only for one user, go to admin control panel -> users -> user permissions -> select user. It will show you same page as above, but for specific user.
On that page in moderator permissions section of permissions list allow group (or user) to stick/unstick threads.