Mac OS X v10.5 Leopard launched on Oct. 26, 2007, delivering more than 300 new features and innovations. And now every Mac we ship includes Leopard.

Leopard Up-to-Date Program
If you bought your Mac after October 1, 2007, and it did not include Mac OS X Leopard, you’re eligible to get Leopard for just a $9.95 shipping charge, plus applicable taxes.

Click here for more information.