When installing the theme there is no sample content or instructions on how to setup

[gudata]

Hello,
The theme is great, but when installed it comes empty.
Please point to or provide setup documentation.

[sysbird]

Solly! gudata
It's can not see the demo site, because I am working on moving the server.
This is an example use. This is my official site.
This Website use a child theme of BirdFIELD.

https://sysbird.jp/

[gudata]

I managed to install the theme but I still can't make it look as good as on the screenshots.
What content do I need to upload to look like on the demo?