Working on Stages and Steps within a sales process
The grid on the Sales Process tab displays stages and the steps they contain. Stages group steps. For example, the steps in a stage called Qualify can include Solicitation Call, Send Information, and Follow-up. Each stage displays the stage name and the percentage likelihood that you win the opportunity when the stage is completed. The stage displays as complete when the user selects the check box next to the last step in the stage.
To complete a step: