When go to the drive's folder through My Computer, you can right click and sort by data modified. That way you will see which files are the oldest and which are the newest ones. Then you can simply delete the ones that you don't need.
When go to the drive's folder through My Computer, you can right click and sort by data modified. That way you will see which files are the oldest and which are the newest ones. Then you can simply delete the ones that you don't need.