1. Log in to blogger.com
2. Goto Dashboard ---> Layout --> Edit HTML --> search this code :
<div id='sidebar'>
3. Copy all widget code between <div id='sidebar'> to </div>
4. Change template with Upload to your current blog’s layout
4.. Now back again go to your Dashboard. Click Layout --> edit HTML --> search this code :
<div id='sidebar'> --> paste all widget code that you have copied.
Put that code between <div id='sidebar'> to </div>
5. Save your template