Zip Assistant version 2.5 for Windows 3.1
Shell for PKZIP
 
Zip Assistant version 3.0 for Windows 95
Shell for InfoZip
 
  - version 3.0 rev 1 - adds unzip overwrite option 
  - version 3.0 rev 2 - bug fix

Zip Assistant version 3.1 for Windows 95

  - internal improvements to increase speed
  - right mouse button support
  - print viewed files 