Updating os x to leopard
For qualifying Mac computers bought after June 8, 2009, Apple offered a discounted price through their "up to date" program provided that customers' orders were faxed or postmarked by December 26, 2009.
The standalone retail version of Snow Leopard is marketed as being restricted to users of Mac OS X Leopard, while the recommended upgrade path from Apple for Mac OS X Tiger is through the "Mac Box Set", which includes Mac OS X Snow Leopard and the current versions of i Life and i Work. If you have purchased an Upgrade for Mac OS X Leopard license, then subject to the terms and conditions of this License, you are granted a limited non-exclusive license to install, use and run one (1) copy of the Apple Software on a single Apple-branded computer as long as that computer has a properly licensed copy of Mac OS X Leopard already installed on it.
This is also the first Mac OS release since System 7.1.1 that does not support Macs using Power PC processors, as Apple now intends to focus on its current line of Intel-based products.Subject to the terms and conditions of this License ...you are granted a limited non-exclusive license to install, use and run one (1) copy of the Apple Software on a single Apple-branded computer at a time.If you follow these steps, everything that's currently on your computer will be erased, and a new version of Snow Leopard installed.Make sure you've backed up your documents, music, pictures, movies, and other personal files before you proceed.