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Transferring Acrobat XI to Windows from MAC
How can I transfer my Adobe XI (MAC) License to a Windows Computer?
How can I transfer my Adobe XI (MAC) License to a Windows Computer?
you'll need a license swap. i'm not sure that's still available for acrobat xi, but start here - Exchange a product for a different language or platform version
if it's not, consider upgrading to acrobat dc which would allow you to swap platforms.
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