Keyman Desktop 8.0 fully supports 32-bit and 64-bit versions of the following Windows operating systems:
Windows XP (32-bit only)
Windows Server 2003
Windows Server 2008
NoteKeyman Desktop works slightly differently in different versions of Windows. Older versions of Windows have more language limitations and need extra configuration. Windows Vista and later versions of Windows include added security measures and some configuration actions will require you to confirm security prompts.
Keyman Desktop 8 has minimal resource requirements. Any computer that can run Windows XP should be able to run Keyman Desktop without trouble.