Right sidebar

Hi,

Please follow the doc, this will help you to add the right sidebar and further customization.
https://docs.oceanwp.org/article/740-ocean-custom-sidebar-getting-started

Thanks, but i need a new sidebar for all site not for only some pages

Hello,

Go to Appearance > Customize > General options > General Setting, from here select the layout as per your requirement. This will reflect on the whole site.