Open SharePoint
Central Admin >> Application Management >> Manage Service
Application >> New >> Search Service Application
Input name and choose application pool (you can
create new or choose existing application pool) => OK
Waiting to finish
Database is created
Application Management >> Manage Service
Application >> click to Search Service Application or choose Manage
Click to Content Source then start full crawl
your content source => waiting to IDE
Open your site and search with result
Finish.