32-bit/x86 processor or 64-bit/x86 processor running in 32-bit mode
Any of the following desktop operating systems for the Novell Messenger Windows client
Windows XP on a 300 MHz or higher workstation with at least 128 MB of RAM
Windows XP Professional on a Pentium 300 or higher with at least 128 MB of RAM
Windows Vista on a 1 GHz or higher workstation with at least 1 GB of RAM
Windows 7 on a 1 GHz or higher workstation with at least 1 GB of RAM
20 MB of free disk space on each user’s workstation to install the Windows client
An additional 10 MB of free disk space if you store Personal History locally
32-bit/x86 processor or 64-bit/x86 processor running in 32-bit mode
SUSE Linux Enterprise Desktop 10, or SUSE Linux Enterprise Desktop 11, plus the KDE desktop or the GNOME desktop
91 MB of free disk space for the client
32-bit/x86 processor or 64-bit/x86 processor running in 32-bit mode; PowerPC
Any of the following desktop operating systems:
Mac OS 10.4 (Tiger), Mac OS 10.5 (Leopard), Mac OS 10.6 (Snow Leopard)
Mac OS X for Intel
Mac OS X for PowerPC
Apple Java Virtual Machine (JVM) 1.5 or later
86 MB of free disk space for the Java Virtual Machine version 2.5.0
An additional 10 MB of free disk space if you store Personal History locally