
Even if you already have 8GB free, though, it’s a good idea to clean up your drives. To upgrade to Lion, you need to have at least 8GB of hard drive space free. Scroll down to see all of your PowerPC apps in one place!” Just open System Profiler in the Utilities folder, click on Applications, and in the resulting list of all applications on your Mac, click on the Kind column to sort them by Kind. Update: Reader Dustin Wielt has an even better way of accomplishing this step: “There is an easier way to check for Rosetta apps than opening each app and looking in Activity Monitor.
#Update mac os to 10.7 how to#
Otherwise, you’re going to need to run a separate Snow Leopard partition just for this software… look for our upcoming guide on how to set that up. If there are any remaining apps marked with an ‘PowerPC’, you might as well save space and delete them completely from your hard drive: they won’t work under Lion.
Now launch these apps again and run Activity Monitor one more time. However, the easiest way to see and download updates for all of your Rosetta apps at a time is to run App Fresh, then upgrade it shows an update for. They might have their own update mechanisms, they might have updates available on their websites. You can go about updating these apps in any number of ways. Those apps simply won’t run under Lion without an update. What you’re looking for is any running application that says “PowerPC” under the Kind heading. Launch any apps you just can’t live without, then go to your Applications folder, open Utilities and select Activity Monitor. How do you tell if an app you depend upon requires Rosetta? Luckily, it’s pretty easy. If you still use any of these apps, now would be a good time to either update these Rosetta apps to the latest (hopefully Intel compatible) version, or delete them entirely. Although Snow Leopard only ran on Intel machines, Lion drops Rosetta support, meaning any software written for the PowerPC architecture will no longer work at all. With Lion, Apple is finally abandoning support for PowerPCs once and for all. Step 2 - Delete or Upgrade Your Rosetta Apps Follow our guide here to get yourself upgraded.
#Update mac os to 10.7 mac os x#
Not on Mac OS X 10.6 at all? You can’t upgrade to Lion unless you’re running at least Snow Leopard.

#Update mac os to 10.7 install#
If you’re not, just go to Menu > Software Update, download and install the update. If you’re running Snow Leopard, just go to Menu > About This Mac and make sure you’re running Snow Leopard 10.6.8, which adds support to upgrade to Lion through the Mac App Store. Step 1 - Make Sure You’re Running Snow Leopard 10.6.8

This hard drive needs to be at least as large as your main drive.
