The current version of WinZip has been tested on each of the Windows operating systems that it supports. This includes 64bit versions when applicable. Supported operating systems are Windows 2000, Windows XP, Windows Vista, Windows 7 and the server versions that are related to each of these where applicable.
If you encounter any problems that you think might be related to running WinZip on your Windows operating system, we would appreciate it if you would send details to Technical Support.
