To check your installed WinZip version and/or your registration information, you should open the About WinZip dialog. One example when you would do this would be if you purchased a backup CD for WinZip, which you received after having installed a WinZip version from a downloaded file.
To open the About WinZip dialog, click the Help tab and then click the About button.
At this point, the About WinZip dialog will open. You can then check:
You also can make use of the buttons on the right side of the dialog to find other information.
If you have questions about your registration, please email the Service Department.