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Installation Instructions. Image of BlackHole Audio Driver. Built for Intel and Apple Silicon.
MacBook Pro 17-inch (Late 2007 or newer)(Note that while all of the above computers can install Mavericks, some features, such as Power Nap, AirPlay mirroring and extended desktop, and AirDrop, have stricter requirements.)Apple also says you need at least 2GB of RAM (memory), but in my experience, you’ll enjoy better results with at least 4GB. MacBook Pro 15-inch (Mid/Late 2007 or newer) MacBook Pro 13-inch (Mid-2009 or newer)
We’ve also covered some specific suggestions for freeing up drive space.In Lion and Mountain Lion, you can check your Mac’s specs using the About This Mac window (left) Snow Leopard users can use Mactracker to identify their Mac model (right).Not sure which Mac you own or how much RAM or free drive space it has? Choose About This Mac from the Apple Menu, and then click More Info. (You may also find, especially if you’re upgrading from Snow Leopard, that some of Maverick’s features require more “everyday” free space, as was the case with Lion and Mountain Lion.) If you need to free up space on your drive, you can use a utility such as WhatSize or GrandPerspective to help you find big files you can get rid of. Most reputable vendors will make it clear which RAM they offer is compatible with Macs.Similarly, Apple states that you should have at least 8GB of free space on your Mac’s drive to install a major OS X update, but I recommend playing it safe by aiming for 15GB to 20GB—the Mavericks installer itself is 5.3GB in size, and you’ll need some room for temporary files. Some third-party RAM that’s not up to Apple’s specs will cause problems when you upgrade your OS. A word of advice here: If you don’t buy your RAM directly from Apple, be sure you get RAM that’s specifically guaranteed for use in Macs.
If Disk Utility finds problems, you’ll need to boot from a different volume to perform the actual repairs using the Repair Disk button. If you perform the following tasks before the upgrade, you’ll have a much better chance of actually enjoying a pain-free experience.Make sure your Mac’s startup drive is in good health To do so, open Disk Utility (in /Applications/Utilities), select your startup drive in the list on the left, click the First Aid tab to the right, and then click Verify. Just launch MacTracker and select This Mac on the left, and your Mac’s MacTracker entry—complete with its official model year/version—is displayed to the right.While Apple describes the process of upgrading to Mavericks as a simple download and install, those of us who’ve been doing this for a while know that a major OS update is never that simple. However, the excellent Mactracker ( Mac App Store link) makes it easy to find this information. In Snow Leopard, you get a System Profiler window—select Memory to check the RAM amount: Select Serial-ATA, and then select your drive’s name on the right, to see your free drive space.Unfortunately, Snow Leopard’s System Profiler window doesn’t display your Mac’s actual model year/version. Click the Storage tab to view your drive’s free space, and click Memory to check the amount of RAM.
I personally back up using both methods.)To test a clone or other bootable backup, use the Startup Disk pane of System Preferences to boot from the backup drive and verify that everything works just as if you had booted from your Mac’s main drive. The advantage of a Time Machine backup is that it keeps the most-recent and older versions of your documents. (The advantage of a clone backup is that you can get back up and running immediately if something goes wrong—a clone is a complete, bootable copy of your drive. (See our article on Mac backup plans for more info on backing up your Mac.) I personally recommend creating a bootable clone backup using SuperDuper or Carbon Copy Cloner, although a Time Machine backup will do, as well. Both check your Mac for other hardware issues, such as bad RAM.Back up your Mac, and test that backup Let me say that again: Back up your Mac, and test that backup— before installing Mavericks. If you’re upgrading from Snow Leopard, you can also use Disk Utility when you boot from either your Snow Leopard Install DVD or the OS X Install DVD or thumb drive that shipped with your Mac.Disk Utility can verify that your Mac’s drive is healthy.If you’re feeling especially cautious, you can also opt to run either Apple Hardware Test (for Macs released before June 2013) or Apple Diagnostics (for Macs released in June 2013 or later).
Most of these products interact with your drive and the OS at a low level, and an incompatibility with Mavericks could leave you unable to boot your Mac or, worse, unable to access your data at all. (As I noted in my previous upgrade guides, I also prefer to not test Murphy’s Law by risking any incompatibilities between the two versions of FileVault.) Once you’ve successfully installed Mavericks, you can enable FileVault 2 in the Security & Privacy pane of System Preferences.Disable third-party disk encryption Similarly, if you’re using third-party full-disk-encryption software, you may want to temporarily disable that encryption before upgrading your Mac’s OS. Apple says that you can keep using the Snow Leopard implementation for previously encrypted user accounts, but FileVault 2 is a much better way to go, so now’s as good a time as any to switch. Mavericks, like Mountain Lion and Lion before it, uses a different (and much-improved) approach to encryption, called FileVault 2.
In Lion and Snow Leopard, you should run Software Update (accessible from the Apple menu). To do this in Mountain Lion, you open the Mac App Store app and check the Updates screen any available updates to Mountain Lion and Apple software will appear at the top of the window. However, given that FileVault 2 encrypts your entire drive, this is a good opportunity to migrate to OS X’s built-in encryption feature instead.Under Mountain Lion (OS X 10.8), you can check for available OS updates using the Mac App Store app.Check for system updates and updates to other Apple software You’ll want to be sure you’ve installed both the latest updates to your currently installed version of OS X—those updates may include changes that are required for upgrading to Mavericks—and the latest versions of any other Apple software that might be affected by the upgrade.
For apps you’ve obtained via the Mac App Store, this is as simple as launching the App Store app, clicking the Updates button in the toolbar, clicking Update All, and providing your Apple ID and password when prompted. (The list includes columns for various versions of OS X—be sure to look at the Mavericks column.) The list isn’t yet anywhere close to being exhaustive, but it will start to fill in quickly as more and more people install and use Mavericks.However you check for compatibility, if an app has an update available, you’ll want to download and install that update. If you take some time to check compatibility before installing OS X 10.9, you’ll likely avoid the frustration of your favorite apps and add-ons not working.To check compatibility, you can visit the website for each individual app and system add-on, but I recommend first checking RoaringApps’ list of Mac software compatibility.
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