Restoring the WD software and disk image

so once you erase ALL data…what is the procedure for restoring the software and disk image back to the external HD? I have My Passport WDBKXH5000ABK USB 3.0 500GB

Hi SJM67,

You can download the software supported for your external drive from the link below.

https://support.wdc.com/product.aspx?ID=218&lang=en