To change the name of a file or folder
Open My Documents
If the file or folder you want to rename is not located in My Documents or its subfolders, use Search to find it. To open Search, click Start, and then click Search.
Click the file or folder you want to rename.
Under File and Folder Tasks, click Rename this file or Rename this folder.
Type the new name, and then press ENTER.
To open My Documents, click Start, and then click My Documents.
Some programs cannot interpret long file names. The limit for programs that do not support long file names is eight characters. File names cannot contain the following characters:
\ / : * ? " < > |.
You can also rename a file or folder by right-clicking it and then clicking Rename.
The names of system folders such as Documents and Settings, Windows, or System32 cannot be changed. They are required for Windows to run properly.