Portable WinZip Pro 12.1.8497 (Win) | 5.9 MB | RapidShare)
Compression utility for Windows without installation.
Download on RapidShare (5.9 MB)
Previous version don't run if you have WinZip 12 installed: fixed with new launcher
Extract (with a PortableApps folder at the device's root) and run WinZipPortable.
If you drag'n drop an archive on (or open with) WinZipPortable: it will be opened in WinZip.
Settings of installed WinZip should be preserved.