How to submit your site to the search engines
A submission to Google, Yahoo & Bing will allow them to start indexing your site; effectively 'telling' them about your site's existence.
Submit your site to Google
Click here to submit a URL to Google.
Don’t stop here: you should submit your XML sitemap to Google, and take advantage of Google's Webmaster tools, which allow you to keep track of how Google views your site.
Submit your site to Yahoo
Submit your site to Bing
Once these steps are completed you have notified the top three search engines of your (new) website. Bear in mind it will take a while before results show up in SERPs - this is only natural and part of the indexing process. SEO will not happen overnight.