Easter eggs in Windows XP?..

To supply certain government agencies with software, Microsoft can't include undocumented features, including Easter eggs, in its software. As a result, no Easter eggs exist in XP.

Adding a Command Prompt to any Folder

Open Explorer and click View > Options > File Types. Locate Folder and click Edit. Click New to open the New Action dialog box. Type Command Prompt in the Action box, and type cmd.exe in the Application Used to Perform Action box. Now you can right-click a folder and click Command Prompt to open a Command Prompt window at the folder's path.