In this option, you will be able to add, change or update themes.
You can review the theme details by clicking on Theme Details.
After clicking on the Them details, you will be forwarded to another page where you can review the theme Name and version of that specific theme.
To add or update themes, go back to the themes option and click on Add New/Update or the Round Plus Icon.
After clicking, you will be forwarded to another page where you should find the option to upload the Updated or new theme files by clicking on the Browse button[1]. After uploading the theme file, click on the Install Now button[2].
After successfully installing your new theme, you should see the new theme in the theme list.
To activate your theme, click on the Active button, or you can live preview the new theme by clicking on the Live Preview Button.