How to setup like Demo Site.
1. Go to Dashboard > Theme Options > Demo Importer
2. Click Import Demo Button.
3. Then, Wait for few minutes.
4. Now your dummy content are Imported.
5. Now all content is there, but you still need to tweak some settings.
6. Procedure to set Unique Sidebar for page.
6.1. Creating the Sidebar, Go to Dashboard-->Appearance-->Sidebars--> Add New Sidebar --> Give the Sidebar Name. (Eg: Shortcode Menu, another one is Page Menu.. Likewise, you can create multiple sidebars here.)
6.2. Then, Go to Appearance--> Widgets--> Drag the Custom Menu Widget in Newly Created sidebars and Select the Drop Menu to display.
7. Now your site is ready as Like our Demo