Setting up site from scratch

If you need different sidebar for pages.
1. Creating Sidebars
2. How to add a Widgets in footers or sidebar.
  1. Goto Appearance => Widgets.
  2. Click widget which you want to display in footers or sidebar.
  3. Click the area which you want to display. Whether you want to display in footer1, footer2, footer3, footer4 or sidebar.
  4. Click Add Widget.
3. Choosing Sidebar for Pages
4. If also possible to set a menu as a sidebar using custom menu widgets. Create Menu