View source for Add a Product to an Opportunity

#In the [[Opportunities]] tab, click on the opportunity to which you want to add products.
#Click the '''[Manage Products]''' button under Related Information.<br>The Manage Products for Opportunity page opens, which reflects the opportunity name and the account or prospect with which it is associated.
#In the Products Information section, select the Price Book and Product you want to add.<br>The Description, Price, Units (minimum number of units required in this price book), and the Amount fields are populated automatically
#Click '''[Save]'''.<br>The product is added to the list of Products appearing in the record for that opportunity.