1. If you didn’t make a backup with the plugin we sent you then there is no way to restore them with the file.

2. There are some “Sample options” in your Dashboard that are not related to our theme https://gyazo.com/6beb331f4f85b3bae805d95543ac3cca
You have set these settings there and they influence our theme’s styles https://gyazo.com/4cc9656fe080d422c5f19f4ff4fe9820

3. You need to be sure that you don’t set English language for your administrator users in Dashboard -> Users https://gyazo.com/b3722d4498950a78fe20b89a944fb7c0

Regards