However, for those who already have Mac OS X Tiger installed on their systems, the update can be accessed through the 'Leopard' application. The update is offered as a free upgrade to all users of Mac OS X Snow Leopard, as well as those who purchased a new Mac earlier this year. Furthermore, it also fixes several problems with the Mac memory card, audio issues, and a variety of network errors. Specifically, the update improves the performance of the Mac browser, specifically the Safari web browser. In addition, this update fixes several issues that can cause your Mac computer to stop working. The 10.6.7 update is highly recommended for all current users running Mac OS X Snow Leopard, which includes general OS X system updates that improve the functionality, stability, and security of your Mac.