my computer hard drive was wiped recently causing me to lose both of my copies of cs5. how do I get my copies back?

Sarahd-

You can download cs5 from here:  Download CS5 products, however if you did not deactivate prior to wiping the hard drive, you will need to contact support to reset your activation count so that you can activate the new installations.

Please contact Adobe Customer Support at the link below. Click on Still Need Help button and choose the  Chat option :

https://helpx.adobe.com/contact.html?step=CCSN_downloading-installing-setting-up_licensing -activation

Pattie