The current evaluation version of WinZip Self-Extractor is available at the WinZip web site. Please also see this article that, among other things, describes the benefits of registering a copy of WinZip Self-Extractor.
WinZip Self-Extractor is distributed as a self-extracting Zip file. After downloading, double click the .EXE file to begin installing.
If you have trouble obtaining a copy or have other questions, email Technical Support