Content Deployment in Three Steps ........

Step 1:
Allow Incoming Content Deployment Jobs on the Production Site

Step 2 :
Create Content Deployment Path and Job from Staging to Production

Step 3 :
Run Content Deployment Job


For step by step instruction check out the following article :
http://blogs.msdn.com/jackiebo/archive/2007/02/26/content-deployment-step-by-step-tutorial.aspx