If you do not know what this is, or you have not done this for a while, you might be pleasantly surprised at how much better and faster your computer runs after this is done.
It is really very easy to do this and it should be done at least once a month to keep your system running smoothly.
This will execute and then we can go to the next phase of the cleanup.
If you use a desktop email client, such as, Outlook, now is the time to delete all the old emails and empty the deleted files folder. On most computers you can delete all the old emails in your deleted folder by going to the top of the window and click on "Edit" and select "Empty Deleted Items Folder".
Now we are ready to Defrag your hard drive.