According to WordPress.org, the second release candidate of WordPress 5.0 was released on November 30.
I tried to install it today and found the installer was almost the same to that of WordPress 4.9.8.
This post will show all the screenshots.
* Note: The domain name is omit from urls in the screenshots.
Althogh the installer of WordPress 5.0 RC2 is almost the same to that of 4.9.8, the "post-new" style of Gutenberg, the WordPress's new editor, is fairly different.
Its block-type style reminds me of Elementor, the elegant page builder : )
Also, I wonder if it is more difficult for those who are unfamiliar with programming than WordPress 4.9.8 at least while there are little information about how to use it.