...
There are many tools available for recovering files which have been deleted from your computer. If you securely deleted the files, you will not be able to recover them. One tool which you can download is Recuva. Once you have downloaded the application, you can use it to search your computer for files you have already deleted.
Download Recuva from the link provided. When prompted with the screen below, click yes. 
Once the download is complete, open the Recuva desktop icon. You will see a screen that looks like this: 
Follow the wizard instructions. You will be asked where in your computer Recuva should search. Either tell it to search the whole computer or choose a specific location.
The program will search for deleted files and will give you a results list of all the files it finds. From there, you can choose the files you would like to recover.
Shredding in Identity Finder
Identity Finder IdentityFinder for individual computers can be used to securely destroy files. This tool can search your whole computer for files which contain secure information, like social security numbers and credit card records. It can also be used to delete individual files containing secure information. In this example, we will securely delete one file. Visit the IdentityFinder FAQ for more help with running scans of your whole computer. If you have IdentityFinder installed on your computer, open the program and log in. 
Click on "Tools" on the horizontal menu bar and then click on File Shredder.
The File Shredder will open the window shown below. Click on the ellipse to search for files.
Next click "Users" then your name, then the area you want to look in. In this example, we are searching in "My Documents" in the "Secure Information" folder. When you have found the file you want to shred, click it then click OK.
You will be returned to the File Shredder page like this: 
If you are sure that you have found the file you want to securely destroy, click "Shred." You will be prompted with this window:
Click "Yes" and your files will be shredded. The final window will alert you that your shredding has been successful.
Don't forget to log out of IdentityFinder before closing the window.
Secure Deletion for Windows
...