Search Browser Integration

So you create a search center and your search applications are configured.  Now what?  To get your users to use you new Search Center add your site to their search providers.
  Internet Explorer
If you are using IE you need to add a customer provider and the version of IE determines your steps.  For IE 9 …
I found a neat site to help http://www.enhanceie.com/ie/searchbuilder.asp

To manage your search providers use in IE > Tools > Manage your IE add-ons  or …

Google Chrome

Just right click in the address bar – select edit search engines – other search engines
Fill in the three blanks using 
Sharepoint
Sharepoint
http://intranet.contoso.com/search/pages/results.aspx?k=%s (name of your results page + ?=%s)
Reference
Chrome https://www.nothingbutsharepoint.com/sites/eusp/Pages/How-to-Create-a-Custom-Search-Engine-for-SharePoint-2013-in-Google-Chrome.aspx
Old Versions of IE http://www.pcworld.com/article/157021/Add_Custom_Search_Engines_to_IE_and_Firefox.html