You can add and configure sidebars here. But, to add tools to the sidebar you should go to Appearance>Widgets.
Add a Sidebar
- Login to your WordPress Dashboard.
- Go to Appearance> Customize> Sidebar Settings
- Click Add New sidebar
- Give the sidebar a name
- Click Publish
You can see the new sidebar in Appearance> Widgets. Add a widget to the sidebar and click save to configure the newly created sidebar.
Configure Sidebar
- Login to your WordPress Dashboard.
- Go to Appearance> Customize> Sidebar Settings
- Select Sidebars for various Pages, like Blog Page, Single Page, Single Post Page, etc. The sidebar selected under the particular pages will only be displayed on the page. For example: Blog Page Sidebar appears only on the blog page.
- Click Publish
You can select these sidebar for individual pages or posts.
- Go to Admin Dashboard > Pages > All Pages. Click on the page to which you want to add the sidebar.
- Scroll Down to Sidebar Layout and select the desired sidebar from the Choose Sidebar option.
