How do I delete Windows.old? "Folder Access Denied"

So, I just had to install Win. 7 Ult. 64 bit again, complicated. (Male ware) Luckily, I don't care, lol about ANYTHING on my computer unless gamesaves. (I got 'em all.) I have a Windows (current) Windows.old (01/01/2012) and Windows.old000 (07/01/2012, yesterday) Which is named 000 because there is already a .old. (Happened before...) So how can I just, BAM! delete them both?

I get a "Folder Access denied" in the context window, and "You need permission to perform this action."

Real quick, IDK if this will help, but I remember something in the command prompt to set privileges, idk if it's relevant.
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More about delete windows folder access denied
  1. run explorer as administrator and you should be able to delete the folders. if that fails I'm sure you can delete them by booting off an Ubuntu or Fedora LiveCD.
  2. just run disc clean up and click clean system files in the bottom left corner and check all the boxes that should get rid of it!
  3. How do I remove the Windows.old folder?
    If you install Windows 7 by performing a custom installation and don't format the partition during the installation process, files that were used in your previous version of Windows are stored in the Windows.old folder. The type of files in this folder depends on your computer. After you’ve used Windows 7 for a while—for example, one or two weeks—and you’re confident that your files and settings are back to where you want them to be, you can safely reclaim disk space by using Disk Cleanup to delete the Windows.old folder.


    Before you use Disk Cleanup, make sure that all of your files and settings are in Windows 7 where you expect them to be. Deleting the Windows.old folder can’t be undone.

    Open Disk Cleanup by clicking the Start button . In the search box, type Disk Cleanup, and then, in the list of results, click Disk Cleanup.

    If you're prompted to choose a drive, click the drive you just installed Windows on, and then click OK.

    In the Disk Cleanup dialog box, on the Disk Cleanup tab, click Clean up system files.

    If you're again prompted to choose a drive, click the drive you just installed Windows on, and then click OK.

    Select the Previous Windows installation(s) check box, and any other check boxes for the files you want to delete, and then click OK.

    In the message that appears, click Delete Files.

  4. You have to change file permissions on each folder and file.
    Right click on folder and go to permissions tab
    Thare are also free tools to make the job:
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