macOS 10.13 High SierramacOS 10.14 MojavemacOS 10.15 CatalinamacOS 11 Big SurmacOS 12 MontereymacOS 13 VenturaFirstClass Client for macOS v16.210 — 20.3MB You MUST use this version of FirstClass Client for macOS if you are using macOS High Sierra, Mojave, Catalina, Big Sur, Monterey or Ventura. • NOTE. This download includes the setup instructions. PLEASE READ THESE BEFORE INSTALLING. |
macOS |
For OLDER Macs with PowerPC (PPC)FirstClass Client for OS X v11.017 — 27.1MB |
OS X (PPC) Click to read macOX (Older Macs) |
iPhone and iPadFirstClass Client for iPhone and iPad – setup instructions — 377KB Instructions for installation and setup of the FirstClass Mobile Client for OS X |
Click to read iPhone & iPad |
WindowsFirstClass Client for Windows 8, 10 — v16.201 — 39.6MB This is the base client package for Windows-based computers with OS later than Windows 8. |
Windows |
FirstClass is a registered trademark of Open Text Corporation, which also hold the copyright to the FirstClass icons |