Updating from os 10 4 to 10 5
With increasing popularity of the internet, Apple offered additional online services, including the . It later began selling third-party applications through the Mac App Store.
Newer versions of Mac OS X also included modifications to the general interface, moving away from the striped gloss and transparency of the initial versions.
Consumer releases of Mac OS X included more backward compatibility.
Mac OS X 10.5 Leopard was released as a Universal binary, meaning the installer disc supported both Intel and Power PC processors.
In 2009, Apple released Mac OS X 10.6 Snow Leopard, which ran exclusively on Intel-based Macs.
Releases of Mac OS X from 1999 to 2005 can run only on the Power PC-based Macs from the time period.
After Apple announced that they were switching to Intel CPUs from 2006 onwards, a separate version of Mac OS X 10.4 Tiger was made and distributed exclusively with early Intel-based Macs; it included an emulator known as Rosetta, which allowed users to run most Power PC applications on Intel-based Macs.In 2011, Apple released Mac OS X 10.7 Lion, which no longer supported 32-bit Intel processors and also did not include Rosetta.