Hello Amanda,
Please follow the steps below:
1. Login to service.sap.com with s-user id.
2. Go to "Software Downloads"
3. From the left side pannel, click on "A - Z Index"
4. Select "C" (For Crystal Reports)
5. Click on first option "CRYSTAL REPORTS" >> "CRYSTAL REPORTS 2011" >> Installation and Upgrade >> Windows
6. Now scroll down the page and select required one. Highlighted one in below screenshot is the latest one.
Hope this helps!!!
Regards,
Mahesh