Create a directory ~/.config/zed/themes if it does not already exist.
Copy cyberdream.json and/or cyberdream-light.json to the directory.
Open Zed and select the theme under Settings -> Select Theme -> Cyberdream (dark|light).
Alternatively, put the following config into your settings.json under ~/.config/zed.
{
"theme": {
"mode": "system",
"light": "Cyberdream light",
"dark": "Cyberdream dark"
}
}See also: Zed - Docs - Themes