1. Masuk ke akun blogger sobat.
2. Pilih menu Tata Letak ➨ Tambah Gadget (di bagian manapun sobat ingin widget ini muncul)
3. Lalu pilih HTML / Javascript
4.Paste kode di bawah ini :

<style type="text/css">
div.TabView div.Tabs
{height: 30px;overflow: hidden}
div.TabView div.Tabs a {float:left; display:block; width: 90px; /* Lebar Menu Utama Atas */
text-align:center ; height: 26px; /* Tinggi Menu Utama Atas */
padding-top:8px; vertical-align:middle; border:1px solid #555555; /* Warna border Menu Atas */
border-bottom-width:0; text-decoration: none; font-family: "Verdana",Arial; /* Font Menu Utama Atas */
font-weight:bold; color:#fff; /* Warna Font Menu Utama Atas */ -moz-border-radius-topleft:10px; -moz-border-radius-topright:10px}
div.TabView div.Tabs a:hover, div.TabView div.Tabs a.Active {background-color: #E6E6E6; /* Warna background Menu Utama Atas */ }
div.TabView div.Pages {clear:both; border:1px solid #BDBDBD; /* Warna border Kotak Utama */ overflow:hidden; background-color:#E6E6E6; /* Warna background Kotak Utama */ }
div.TabView div.Pages div.Page {height:100%; padding:0px; overflow:hidden}
div.TabView div.Pages div.Page div.Pad {padding: 5px 5px}
</style>
<script type='text/javascript'>
//<![CDATA[
function tabview_aux(TabViewId, id)
{
var TabView = document.getElementById(TabViewId);
// ----- Tabs -----
var Tabs = TabView.firstChild;
while (Tabs.className != "Tabs" ) Tabs = Tabs.nextSibling;
var Tab = Tabs.firstChild;
var i = 0;
do
{
if (Tab.tagName == "A")
{
i++;
Tab.href = "javascript:tabview_switch('"+TabViewId+"', "+i+");";
Tab.className = (i == id) ? "Active" : "";
Tab.blur();
}
}
while (Tab = Tab.nextSibling);
// ----- Pages -----
var Pages = TabView.firstChild;
while (Pages.className != 'Pages') Pages = Pages.nextSibling;
var Page = Pages.firstChild;
var i = 0;
do
{
if (Page.className == 'Page')
{
i++;
if (Pages.offsetHeight) Page.style.height = (Pages.offsetHeight-2)+"px";
Page.style.overflow = "auto";
Page.style.display = (i == id) ? 'block' : 'none';
}
}
while (Page = Page.nextSibling);
}
// ----- Functions -------------------------------------------------------------
function tabview_switch(TabViewId, id) { tabview_aux(TabViewId, id); }
function tabview_initialize(TabViewId) { tabview_aux(TabViewId, 1); }
//]]>
</script>
<form action="tabview.html" method="get">
<div id="TabView" class="TabView">
<div style="width: 300px;" class="Tabs">
<a>Title 1</a>
<a>Title 2</a>
<a>Title 3</a>
</div>
<div style="width:300px; height:250px; " class="Pages">
<div class="Page">
<div class="Pad">
Isi menu tab view 1
</div>
</div>
<div class="Page">
<div class="Pad">
Isi menu tab view 2
</div>
</div>
<div class="Page">
<div class="Pad">
Isi menu tab view 3
</div>
</div>
</div>
</div>
</form>
<script type="text/javascript">
tabview_initialize('TabView');
</script>

5. Edit sesuai selera anda (Tinggi, Lebar, Warna, Background, Border dll.)
6. Klik Save