For more information please visit http://drupal.org/node/456

*** Installing Drupal Themes 
---------------------------------------
1. Access your Web server using an FTP client or Web server administration tools.
2. Create a folder for your specific theme under "<YourSiteFolder>/sites/all/themes/" folder within Drupal installation.
  For example: <YourSiteFolder>/sites/all/themes/<MyNewTheme>
3. Copy or upload theme files into the newly created <MyNewTheme> folder.
4. Login to your Drupal Administer.
5. Go to Drupal Administer -> Site Building -> Themes (www.example.com/?q=admin/build/themes)
6. Select your newly uploaded theme from the list of available themes for your site.
7. Click the "Save configuration" button to save your changes.
For more information please visit: http://drupal.org/node/456 

*** Utilizing Menus
---------------------------------------
  
1. Go to Drupal Administer -> Site Building -> Menus (www.example.com/?q=admin/build/menu) 
2. Edit an existing menu or create a new one. 
3. Go to Drupal Administer -> Site Building -> Blocks (www.example.com/?q=admin/build/block)
4. Place menu into the "Menu" region.

NOTE: the "Menu" region can contain only a single menu, or none. 

For more information please visit http://drupal.org/node/102338 
  
by b2 - http://b2hq.com 