In the posting “Insert a Drop Down Calendar Menu In Excel – Choose a Date!” one of the steps requires that you select the Microsoft Date & Time Picker Control 6.0 (SP4).
Looking for it? Trying to figure out where to download it from? If it is not installed on your system you can download it here.
To unzip a CAB file simply follow the directions in the posting “A Free Alternative to Winzip or WinRar: 7-Zip”
Once the file is unzipped simply run the MSCOMCT2.BAT batch file!