Apple’s newest OS is out today. It is the first OS that you can download and install straight from App Store. As with any new OS release, there are quite a few applications that do not work under the new OS. Before you decide to upgrade, make sure you check the application compatibility table here.
You need a machine with 10.6.6 or later to upgrade. The download is about 3.5GB. I am surprised that it’s quick to download. It only took about 10 minutes on 100 Mbps network.
The installer runs automatically after the download is complete. Accept the license agreement and follow the on-screen instructions to install it. The actual installation took about 45 minutes on my 2008 Macbook.
My initial impression was that it takes a bit longer to boot. However, once the system was up, the performance was better than Snow Leopard. I’ll post once I’ve had more experience with it.
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