Mac OS X iMac Update (Mid-2010)

Mac OS X v10.6.4 Update is recommended for all users of iMac (Mid 2010). This update contains all the applicable fixes from the Mac OS X 10.6.4 Update, plus the following specific fixes for iMac (Mid 2010):

• Resolves compatibility and performance-related graphics issues.
• Improves compatibility with large-format SDXC memory cards.
• Adds support for Magic Trackpad.

For more detailed information about the Mac OS X 10.6.4 Update, please visit this website

For information on the security content of the Mac OS X 10.6.4 Update, please visitthis website