Adobe LiveCycle Mosaic ES2 - System requirements

Operating system Player Supported browsers AIR client supported
Windows XP
SP2 and SP3
Flash Player 10.1 IE7 and 8, and FF 3.5 and 3.6  
AIR 2.0.2   Yes
Windows Vista
SP0 to SP2
Flash Player 10.1 IE7 and 8, and FF 3.5 and 3.6  
AIR 2.0.2   Yes
Windows 7 Flash Player 10.1 IE7 and 8, and FF 3.5 and 3.6  
AIR 2.0.2   Yes
Mac OS
10.5 and 10.6
    Yes

All platforms support Flex Application Tiles based on Flex SDK 3.3, 3.4, 3.5, 4.0 and SDK 4.1.
All platforms support Flex Module Tiles based on Flex SDK 4.1.

Browser client depends on the iFrame implementation of the browser for HTML tiles.