Adobe has released Flash 11 (22.214.171.124) for Mac OS X, Windows, Linux and Solaris as well as AIR version 3. Both products bring new support for Stage 3D-the name for hardware-accelerated 2D and 3D graphics-and new mobile features for Android, Blackberry OS.
Flash 11 provides native 64-bit application on all three major platforms, and added H.264 software encoding for cameras.
Flash 11 for Mac requires Mac OS X 10.6 or 10.7 which translates to Intel-based Mac only.
Flash 11 for Windows requires Windows XP or later, and supports 64-bit of Windows 7.
Adobe Flash Player can be downloaded here