Please follow these instructions when installing photoshop CS5 in MAC
Please click here for windows installation instructions.
Browse to smb://software.oc.edu/dist/Adobe/Photoshop/CS5/macinstall/
Please note: Access to this folder is restricted. If you receive an access denied message when you try to open this folder, but believe you should have access, please email email@example.com.
1. Go to \\software\dist\Adobe\Photoshop\CS5 and open the License.txt file.
2. Copy the Windows license key and enter it into the serial number field above.
3. Click Next.