Warning: require_once(D:\www\www67/wp-includes/version.php): Failed to open stream: No such file or directory in D:\www\www67\wp-load.php on line 62

Fatal error: Uncaught Error: Failed opening required 'D:\www\www67/wp-includes/version.php' (include_path='.;C:\php\pear') in D:\www\www67\wp-load.php:62
Stack trace:
#0 D:\www\www67\wp-blog-header.php(13): require_once()
#1 D:\www\www67\index.php(18): require('...')
#2 {main}
  thrown in D:\www\www67\wp-load.php on line 62