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Change (take) the ownership of the folder and delete.
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Change (take) the ownership of the folder and delete.

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Excellent answer, quick response
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I am using Windows 8 64 bit. I am the only user of this &nbsp;machine. I am unable to delete the Windows.old folder that I have on C drive. I keep getting the message that I require Permission from System to make changes to this Folder. Therefore I am unable to delete it. Being the only user I thought that it would be <br />
a forgone conclusion that I am the Administrator.
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I am using Windows 8 64 bit. I am the only user of this  machine. I am unable to delete the Windows.old folder that I have on C drive. I keep getting the message that I require Permission from System to make changes to this Folder. Therefore I am unable to delete it. Being the only user I thought that it would be 
a forgone conclusion that I am the Administrator.

Permission required by system to delete file

A desktop computer is a personal computer designed for use at a single location due to its size and power requirements, usually by one person. The most common configuration has a case that houses the power supply, motherboard, disk storage (usually one or more hard disk drives and optical disc drives); a keyboard and mouse for input; and computer monitor and printer for output. The case may be oriented horizontally and placed atop a desk or vertically and placed underneath or beside a desk.