How do i remove this ?

[NicoMarpaunk]

How do i remove the other "Home" Tab ?

 

[Pereira]

Admin Panel > Home > Options > Basic Board Information

Leave "Home Page URL" blank.

 

[NicoMarpaunk]

^thanks, another question, how do i add a new tab ? :/

 

[Jake Bunce]

^thanks, another question, how do i add a new tab ? :/

A template edit:

http://xenforo.com/community/threads/how-to-add-a-new-tab-in-the-navbar.7781/

Or you can use this addon to manage your tabs with nodes:

http://xenforo.com/community/resources/nodes-as-tabs.9/