Is there a specific recovery program i should download for recovery?

Hello, you can enter “data recovery program on Google to get several options”. Sometimes the hard drive will not be recognized on the Computer/My Computer window but it will appear on the disk management window. Check if the links below for more information.

http://community.wd.com/t5/WD-Portable-Drives/MyBook-Files-Deleted-Can-I-Get-Them-Back/m-p/371023#M9719

How to access Disk Management in Windows XP, Vista, 7 or 8 to manage hard drives