can not get into wp-admin

After all set up, uploaded to htp public html, go back type https://www.lifeinrubyslippers.com/wp-admin to continue, get message The requested URL /wp-admin was not found on this server. Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.
Apache/2.2.11 (Unix) mod ssl/2.2.11 OpenSSL/0.9.8i DAV/2 mod auth_passthrough/2.1 mod_bwlimited/1.4 FrontPage/5.0.2.2635 Server at https://www.lifeinrubyslippers.com Port 80