Hello,

Please upload the recent version from your forum (this forum) profile. Then follow these steps:

1. Make the full backup of your site.

2. Deactivate and delete the current version in Dashboard > Plugins

3. Upload and install.

You can run your current version until the theme has been updated. Then you can update easily in Appearance > Install plugins

If you need help, make the full backup of your site and provide site admin access to the private area.

Best Regards