Instructions
Connect a USB flash drive, memory card or external hard drive to your computer.
Right-click your downloaded game save file, and then click "Extract All."
Note the location to which the files will be extracted, and then click the "Extract" button at the bottom of the window.
Browse to the location of the extracted folder.
Right-click the folder, and then click "Copy."
Right-click in an empty space inside the folder containing your extracted folder, click "New," and then click "Folder."
Name the folder "PS3."
Double-click the "PS3" folder to open it.
Right-click in an empty space inside the folder, click "New" and then click "Folder."
Name the folder "SAVEDATA."
Double-click the folder to open it.
Right-click inside the folder, and then click "Paste."
Click the "Back" button at the top of the window twice to return to the location of the "PS3" folder.
Right-click the "PS3" folder, click "Send To" and then click your transferable media.
Double-click the "Safely Remove Hardware and Eject Media" icon at the bottom right corner of your computer screen, and then click your transferable media.
Disconnect your transferable media from the computer, and then connect it to your PS3.
Power on the PS3.
Use the left and right arrows on your controller to scroll to the "Game" menu, and then use the up and down arrows to scroll to the "Saved Data Utility."
Press "X" to display the list of connected media, and then press "X" to select the media that you just connected to your PS3.
Scroll to your game save, and then press the "Triangle" button.
Scroll to "Copy," and then press "X" to select it.