Copy all files with FTP.
Export the database.
Install DAMP and choose the directory, import database.
Delete the new sites.php and new site symlink DAMP creates.
Delete existing .htaccess file and replacing with default file from a clean Drupal installation.
Enable mod_rewrite in httpd.conf (usually on by default)
Disable the securepages module in Drupal to disable SSL errors (using phpmyadmin changing securepages module status to 0).
Editing the setting.php file with the base_url (usually no need).
Cleaning all cached.