If you didn't launch Nucleus Kernel FAT and NTFS - Windows Data Recovery Software immediately after installing it, you can launch the application as following the steps below:
In Windows, Click the Microsoft Start button.
Click All Programs > Nucleus Kernel FAT and NTFS > Nucleus Kernel FAT and NTFS. The Nucleus Kernel FAT+NTFS- Windows Data Recovery Software screen appears as follows:
On selecting the storage devices, it will show all the necessary information about the selected drive in the right pane of the window.