Step 1: Navigate to Appearance–> Sidebar Generator and click the Add New button, enter sidebar title then save. You can add as many sidebars as you need.
Step 2: Once you are done, you need to add Widgets to the sidebar you just created.
Step 3: Navigate to Appearance–> Widgets and find your sidebar on the right side.
Step 4: On the left hand side you will see all the widgets you can use, simply drag and drop the widget you want into your sidebar on the right hand site.
Step 5: Make sure you click Save to save the widgets added to your sidebar

You can add any widget and any number of widgets to your sidebar. All widgets are accessible from Appearance–>Widgets and easily dragged and dropped to your sidebar.
Step 1: Navigate to Appearance–> Widgets to access the list of widgets and widget section that they can be added. The left hand side shows all the widgets you can use. The right hand side shows all different sections you can add widgets to.
Step 2: Simply drag and drop the widget you want into the widgets section you want the right hand side.
Step 3: Don’t forget to click save changes after you customize any widget in sidebar.

The image above illustrates 2 sidebars which are Main Sidebar and Shop Sidebar.

• Drag Search, Categories, Noo Events and Recent Tweets widgets to the Main Sidebar> click the triangle icon on the right of each widget and it is up to you to complete parts in each widgets as the image below. Again, remember that after making changes to those parts, you will have to click on Save button.

In order that the sidebar can be displayed on the Blog page, please go to Customizer > Blog > Postlist > tick With Left or Right Sidebar in Blog Layout, opt Main Sidebar in Blog Sidebar part > Save and Publish.

• Likewise, you also drag widgets like Woocommerce Product categories, Woocommerce price filter, Woocommerce products to Shop sidebar. Then please go to Customizer> Woocommerce> Shop page> tick With Left or Right Sidebar, opt Shop Sidebar >Save and Publish.