How do I know if my iPhoto 11 needs updated?

Run software update or log into the App store under the Apple ID that the computer was set up with

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What system and iPhoto versions are do you currently have? For iPhoto use the iPhoto ➙ About iPhoto menu option. For the system use the  ➙ About This Mac menu option.

You can go to the System/Software Update preference pane and check to see if any updates are availabe for any of you applications or the system:

If there are you'll be taken to the App Store where you'll need to sign it with your App Store ID and password if you're running Lion or Mt. Lion.

OT