HI,
Please go to A- Z Index | SAP Support Portal, click on C for Crystal Reports. You will see 2 options for Crystal (one for VS one for stand alone).
If you do not see this, you may not have access to download or your company may not have purchased maintenance. If this is the case, you can contact our Customer Interaction Center for guidance at http://support.sap.com/call1sap.
Cheers,
Kristen