If you have added a new page to your site, you may want to include a Sidebar and/or add your new page to an existing Sidebar. It does not matter which order you accomplish these tasks, and you may also choose to do one and not the other.
To add a sidebar to a Standard page:
1.) Open the page and select 'Edit'.
2.) Scroll to the Text Block. Under 'Text Block Sidebar', toggle the option to 'Yes'. You will then need to select a Sidebar Block.
3.) Select 'Choose Block', then in the right-hand navigation, select 'Browse'. Use the breadcrumbs to select your site's top folder:
4.) Open the 'Menus' folder, followed by the 'Sidebar' folder. You can then select the sidebar you would like to install on your page. Finally, select 'Choose'.
5.) You will then follow the steps to preview your draft to see your newly added sidebar in place on your page.