I'm having trouble upgrading my Wix site
Please make sure that your browser's Protected Mode setting is turned off. To learn more about Protected Mode, click here.
If the site you are trying to upgrade was upgraded previously, please make sure to unassign the site from the old plan and try to upgrade it again.
To unassign a site: From the top menu, hover over Subscriptions > click Premium Plans > under the relevant plan, click Unassign.