The requested URL was not found on this server

I installed the files from the other panel correctly however it works on https just about but not http or www. and it keeps say “The requested URL was not found on this server” how can this be fixed? also on http or www. it says

even though its working just about on https

.htaccess

`
Options -MultiViews
RewriteEngine On
RewriteBase {$dir}
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule \\.(js|css|jpeg|jpg|gif|png|ico)(\\?|$) - [L,NC,R=404]

RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . {$dir}index.php [L]
`