Go to WP Menu =>Pages => Click on Add New
First, you have to create an about page from Go to WP Menu =>Pages => Click on Add New and create an About page and select about page template from the right side of your page you have to select About Page template from the template list.
Go to WP Menu => Appearance => Customize => Click on Page Template => Click on About Page.
On the About page, you can see the About section from there you can Hide / Show the about section
Go to WP Menu => Appearance => Customize => Click on Page template= > Click on About Page.
On the About page, you can see the About section from there you can select the, enter, the title & description and you can add content
Go to WP Menu => Appearance => Customize => Click on Page Template => Click on About Page.
On the About page, you can see the About section from there you can select the Left image of size 466px X 580px, enter the left title, and title & description and you can add content.
Go to WP Menu => Appearance => Customize => Click on Page Template > Click on About Page
