Low Vision Computer Screen Access Using the Zoom Screen Magnifier Low Vision and Blind Computer Screen Access Using the VoiceOver Screen Reader Getting Help with OS X Accessibility for Users with Visual Impairments
If you want to downgrade the latest version of the Mac operating system to the one before. Step 1: Check your Mac can run the macOS version. Since Mac OS X 10.7 versions of the Mac operating.
That way of downloading Mac OS X updates and new apps was introduced with Snow Leopard and means that anyone with a Mac running Mac OS X 10.5 Leopard or earlier can't actually access the Mac App.
As you can see, I’m talking about mac users because that is my personal preference. I’m sure there are steps with other operating systems to ensure your data transfers over. Nevertheless, you feel as though you are starting from scratch when opening up the terminal. The real tricky part is when your computer has an update.
The OS X operating system includes built-in features to assist users with a range of physical and motor disabilities. Command + Option + F5 summons a complete list of accessibility options, including turning screen magnification on or off, increasing or decreasing contrast, and inverting screen colors. Note: Depending on your keyboard preferences, to initiate this or any other key combination that includes one of the Function keys, you may also need to press the FN key, which is located at the extreme bottom left corner of most Mac keyboards.
The Accessibility Options Screen has several settings of interest to users with visual impairments.
Everyone knows Mac OS is one of the most premium Operating systems. And everyone wants to use it but it’s a little expensive. And that’s why people try to find out different ways to install Mac OS on their PC. Two years back I also installed Mac OS High Sierra Hackintosh on my PC. And now I am installing the Mojave version.
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Zoom: The OS X built-in screen magnifier.
VoiceOver: The OS X built-in screen reader. Many Zoom users also enjoy having their text and application controls spoken aloud as well as magnified. The keyboard shortcut to toggle VoiceOver on and off is Command + F5.
Invert colors: If you find it easier to read light text on a dark background, give this setting a try. You can also toggle this setting from the keyboard using Command + Option + Control + 8.
Adjust contrast: You can adjust the screen contrast even more using this setting, or even go to a full grayscale display. Increase or decrease contrast from the keyboard at any time with the shortcut keys Command + Option + Control + Comma and Command + Option + Control + Period.
Smooth images: This setting smoothes the edges of highly magnified text so it doesn’t look jagged. Access this setting via the Command + Option + Backslash keyboard shortcut.
Low Vision Computer Screen Access Using the Zoom Screen Magnifier
Zoom is the OS X built-in screen magnifier. You can toggle it on and off at any time by pressing Command + Option + 8. If this keyboard shortcut did not turn on Zoom for you, you will need to turn on shortcut key access first. After opening the Accessibility Options screen, press the Tab key once, then press Spacebar to check the “Enable Zoom using keyboard shortcuts” option. Press Command + Option + 8 again to start Zoom. With keyboard shortcuts enabled, you can now press Command + Option + Equals Sign to increase text size by increments up to 20x, and Command + Option + Hyphen to decrease text size by increments.
If you are using a Mac notebook, or if your Mac desktop has a Magic Trackpad, you can also make screen text larger by holding down the Control key, then placing two fingers on the touchpad surface and sliding them up to increase the size of the text, or down to decrease it. The “enable Zoom using scroll gestures” setting in the Accessibility Options screen will need to be enabled for this to work. If it is not, open the Accessibility Options screen, press Tab twice to highlight the option, and press the spacebar to toggle it on and off.
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You can use Zoom in either full-screen magnification, which enlarges the entire screen, or Window in Window mode, which magnifies just a small portion inside a rectangle that you can resize and move around.
You can also have Zoom speak your current selection, or even an entire document, with a simple key press. Enable the “Read selected text” option in the Zoom tab of the Accessibility System Preferences panel and you can simply press Control + Spacebar to have an entire webpage, e-mail or word processor document read aloud. Even better, you can run the full-featured version of VoiceOver simultaneously with Zoom, benefiting from the power of each in turn to better accommodate your shifting accessibility needs.
Low Vision and Blind Computer Screen Access Using the VoiceOver Screen Reader
Take any new Mac computer out of the box and start it up, and during the initial setup you will be asked if you would like to run the VoiceOver screen reader. You can also start VoiceOver at any time by pressing Command + F5 (or FN + Command + F5). In either case, the very first time you start VoiceOver, you will be offered the opportunity to work your way through the VoiceOver Quick Start Tutorial. The interactive tutorial describes many VoiceOver concepts and commands, then gives you a chance to practice them, moving through the lessons as you master each new skill. You can pause the Quick Start at any time, or return to it as often as you like by pressing the Command + Option + Control + F8 keyboard shortcut.
The default speaking voice is a high-quality text-to-speech engine named Alex who often 'takes a breath' between sentences. If you find his “realness” a bit disconcerting, don’t worry. The VoiceOver System Preference panel allows you to change the voice to one or more of a number of nearly equally high-quality voices that come preinstalled on your Mac or that you can download free of charge.
VoiceOver will automatically speak dialogue boxes and error messages as they appear on your display. It will also speak pertinent screen elements, such as new text, icons, and field names and data as they appear or become important to your computing session. For example, use the Left Arrow key to move one space to the left in your text and VoiceOver will speak the character the cursor just passed over. Use Option + Right Arrow to move one word to the right and you will hear the word your cursor passed over spoken aloud. Tab your way down a Safari webpage link by link and you will hear the text associated with each link spoken out as you reach it along with the word “link” which alerts you that if you press the Enter key, you will open the new page.
VoiceOver devotes a lot of processing power to helping you keep up with an ever-changing computer screen. But it also offers a host of additional keyboard shortcuts that enable you to review a portion of the screen, issue commands, and help you navigate your way through various software applications and text entry fields.
Most VoiceOver commands use key combinations that begin with Control + Option. This key combination is often referred to as the VO key, as in VO + P (Control + Option + P), which is the VoiceOver command to read the current paragraph.
Here is a list of just a few VoiceOver commands:
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VO + L: Read the current line
VO + B: Read the current window or document from the beginning
VO + M: Access the Menu Bar, at which time you can use the cursor keys to move through the various menus and options
VO + F2: Describe the current application window
VO + Command + Left or Right Arrow: Move through various voice controls, such as the voice that will be used and its volume, rate, pitch, and intonation. Press the Up and Down Arrow keys to adjust any or all of these options.
By default, if your Mac has a trackpad, you can use it to issue commands to VoiceOver. Enable the Trackpad Commander in the VoiceOver Utility, which you can access by pressing VO + F8, and you can use your trackpad to perform VoiceOver commands such as:
One-finger flick right: Move the VO cursor right
Two-finger flick up: Read from the beginning of the screen content
Two-finger scrub left-right-left: Escape from the current mode (like pressing the ESC key)
A more complete list of VoiceOver keyboard shortcuts and gestures is available from Apple, but you won't need to use the list because VoiceOver includes two commands, VO + K and VO + H, that bring this information to your fingertips.
VO + K: This command invokes VoiceOver’s keyboard help mode, wherein VoiceOver announces both the name and the function of every subsequent key you press or touchpad gesture you perform. It will continue to do this until you press the ESC key, or perform a two-finger scrub gesture on the touchpad.
VO + H: This command invokes VoiceOver’s Help mode, and calls up a list of topics including:
online help
commands help
keyboard help
sounds help
Press Enter on any of these choices and you will receive help on that topic.
At the bottom of this help screen you will also find an alternate way to replay the VoiceOver Quick Start Tutorial. You can also enter the Commands Help Menu by pressing VO + H twice in succession. Once there, you can type in a keyword or two about the command you wish to use, and when you find it, simply press Enter to issue the command. For example, let’s say you wish to quickly navigate a webpage by headings. Press VO + H twice, then type “heading.” You will be presented with a list of VoiceOver commands that include the word “heading.” At the very top of the list is “Find Next Heading,” along with its keyboard shortcut: VO + Control + H. Press Enter to move your VoiceOver cursor to the next heading. After that you can continue to move by headings using the new keyboard shortcut you just learned.
If you’d like to learn more about VoiceOver—how to use it to read and write e-mails, browse the web with Safari, or use it to write and format a document—read Apple’s VoiceOver Getting Started guide.
ZoomText Mac for Blind and Low Vision Apple Computer Access
Apple maintains strict restrictions on the operating system access they allow third-party vendors to use, so at present there is only one third-party screen accessibility product available for OS X.
Ai Squared
800-859-0270
Ai Squared offers a low-vision product called ZoomText Mac. The company offers a free, 60-day demo version and complete documentation to help you get started.
ZoomText Mac offers additional screen magnification and screen reader features to the OS X operating system
Getting Help with OS X Accessibility for Users with Visual Impairments
In this guide we have demonstrated how it is possible to continue using an OS X computer, or use one for the very first time, with Apple’s built-in Zoom screen magnifier and/or VoiceOver screen reader. As you commence your journey you will doubtless have many questions and may occasionally need a bit of help or technical support. In this section we will list just a few of the many excellent resources available.
Apple
Apple maintains a special support department exclusively for users of their accessibility products. You can reach them via e-mail at [email protected]. In the US, you can also reach them by phone from 8 am to 8 pm at 877-204-3930. In addition, Apple offers a wealth of accessibility information and resources on its accessibility website.
Books
Mastering the Macintosh with VoiceOver byTim Sniffen
This free iBook is available from the Apple iBook Store or online.
This eBook details how to use both VoiceOver and Zoom, with an emphasis on using them with the Mac touchpad.
Learn to Use the Mac with VoiceOver: A Step-by-Step Guide for Blind Users, by Janet Ingber
This book covers VoiceOver in a logical, step-by-step fashion. It is available for $20 from the National Braille Press (888-965-8965) in your choice of:
ASCII Text, CD or download
Braille
DAISY, CD or download
eBraille, CD or download
MS Word, CD or download
One-on-One Training
Your rehabilitation agency may be able to provide you with one-on-one screen access training. These sessions can either be provided at a training center, in person at your residence, or via phone or audio/video chat using Skype or other computer communications software.
Websites
Here are just two websites that offer users of Apple accessibility products a place to gather, ask questions, and share information about using their Macs with Zoom or Voiceover.
http://maccessibility.net/
YouTube
Believe it or not, this video sharing site is a veritable treasure trove of information about running a Mac with accessibility. Search for “VoiceOver for Mac demo,” “browsing the Web with VoiceOver,” “Using Zoom with your Mac,” or other similar topics and you will be amazed by the quantity, quality, and “listenability” of the results.
So, you’ve decided to download an older version of Mac OS X. There are many reasons that could point you to this radical decision. To begin with, some of your apps may not be working properly (or simply crash) on newer operating systems. Also, you may have noticed your Mac’s performance went down right after the last update. Finally, if you want to run a parallel copy of Mac OS X on a virtual machine, you too will need a working installation file of an older Mac OS X. Further down we’ll explain where to get one and what problems you may face down the road.
A list of all Mac OS X versions
We’ll be repeatedly referring to these Apple OS versions below, so it’s good to know the basic macOS timeline.
Cheetah 10.0
Puma 10.1
Jaguar 10.2
Panther 10.3
Tiger 10.4
Leopard 10.5
Snow Leopard 10.6
Lion 10.7
Mountain Lion 10.8
Mavericks 10.9
Yosemite 10.10
El Capitan 10.11
Sierra 10.12
High Sierra 10.13
Mojave 10.14
Catalina 10.15
STEP 1. Prepare your Mac for installation
Given your Mac isn’t new and is filled with data, you will probably need enough free space on your Mac. This includes not just space for the OS itself but also space for other applications and your user data. One more argument is that the free space on your disk translates into virtual memory so your apps have “fuel” to operate on. The chart below tells you how much free space is needed.
Note, that it is recommended that you install OS on a clean drive. Next, you will need enough disk space available, for example, to create Recovery Partition. Here are some ideas to free up space on your drive:
Uninstall large unused apps
Empty Trash Bin and Downloads
Locate the biggest files on your computer:
Go to Finder > All My Files > Arrange by size Then you can move your space hoggers onto an external drive or a cloud storage. If you aren’t comfortable with cleaning the Mac manually, there are some nice automatic “room cleaners”. Our favorite is CleanMyMac as it’s most simple to use of all. It deletes system junk, old broken apps, and the rest of hidden junk on your drive.
Download CleanMyMac for OS 10.4 - 10.8 (free version)
Download CleanMyMac for OS 10.9 (free version)
Download CleanMyMac for OS 10.10 - 10.14 (free version)
STEP 2. Get a copy of Mac OS X download
Normally, it is assumed that updating OS is a one-way road. That’s why going back to a past Apple OS version is problematic. The main challenge is to download the OS installation file itself, because your Mac may already be running a newer version. If you succeed in downloading the OS installation, your next step is to create a bootable USB or DVD and then reinstall the OS on your computer.
How to download older Mac OS X versions via the App Store
If you once had purchased an old version of Mac OS X from the App Store, open it and go to the Purchased tab. There you’ll find all the installers you can download. However, it doesn’t always work that way. The purchased section lists only those operating systems that you had downloaded in the past. But here is the path to check it:
Click the App Store icon.
Click Purchases in the top menu.
Scroll down to find the preferred OS X version.
Click Download.
This method allows you to download Mavericks and Yosemite by logging with your Apple ID — only if you previously downloaded them from the Mac App Store.
Without App Store: Download Mac OS version as Apple Developer
If you are signed with an Apple Developer account, you can get access to products that are no longer listed on the App Store. If you desperately need a lower OS X version build, consider creating a new Developer account among other options. The membership cost is $99/year and provides a bunch of perks unavailable to ordinary users.
Nevertheless, keep in mind that if you visit developer.apple.com/downloads, you can only find 10.3-10.6 OS X operating systems there. Newer versions are not available because starting Mac OS X Snow Leopard 10.7, the App Store has become the only source of updating Apple OS versions.
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Purchase an older version of Mac operating system
You can purchase a boxed or email version of past Mac OS X directly from Apple. Both will cost you around $20. For the reason of being rather antiquated, Snow Leopard and earlier Apple versions can only be installed from DVD.
Buy a boxed edition of Snow Leopard 10.6 Get an email copy of Lion 10.7 Get an email copy of Mountain Lion 10.8
The email edition comes with a special download code you can use for the Mac App Store. Note, that to install the Lion or Mountain Lion, your Mac needs to be running Snow Leopard so you can install the newer OS on top of it.
How to get macOS El Capitan download
If you are wondering if you can run El Capitan on an older Mac, rejoice as it’s possible too. But before your Mac can run El Capitan it has to be updated to OS X 10.6.8. So, here are main steps you should take:
1. Install Snow Leopard from install DVD. 2. Update to 10.6.8 using Software Update. 3. Download El Capitan here.
“I can’t download an old version of Mac OS X”
If you have a newer Mac, there is no physical option to install Mac OS versions older than your current Mac model. For instance, if your MacBook was released in 2014, don’t expect it to run any OS released prior of that time, because older Apple OS versions simply do not include hardware drivers for your Mac.
But as it often happens, workarounds are possible. There is still a chance to download the installation file if you have an access to a Mac (or virtual machine) running that operating system. For example, to get an installer for Lion, you may ask a friend who has Lion-operated Mac or, once again, set up a virtual machine running Lion. Then you will need to prepare an external drive to download the installation file using OS X Utilities.
After you’ve completed the download, the installer should launch automatically, but you can click Cancel and copy the file you need. Below is the detailed instruction how to do it.
STEP 3. Install older OS X onto an external drive
The following method allows you to download Mac OS X Lion, Mountain Lion, and Mavericks.
Start your Mac holding down Command + R.
Prepare a clean external drive (at least 10 GB of storage).
Within OS X Utilities, choose Reinstall OS X.
Select external drive as a source.
Enter your Apple ID.
Now the OS should start downloading automatically onto the external drive. After the download is complete, your Mac will prompt you to do a restart, but at this point, you should completely shut it down. Now that the installation file is “captured” onto your external drive, you can reinstall the OS, this time running the file on your Mac.
Boot your Mac from your standard drive.
Connect the external drive.
Go to external drive > OS X Install Data.
Locate InstallESD.dmg disk image file — this is the file you need to reinstall Lion OS X. The same steps are valid for Mountain Lion and Mavericks.
How to downgrade a Mac running later macOS versions
If your Mac runs macOS Sierra 10.12 or macOS High Sierra 10.13, it is possible to revert it to the previous system if you are not satisfied with the experience. You can do it either with Time Machine or by creating a bootable USB or external drive. Instruction to downgrade from macOS Sierra
Instruction to downgrade from macOS High Sierra
Instruction to downgrade from macOS Mojave
Instruction to downgrade from macOS Catalina
Before you do it, the best advice is to back your Mac up so your most important files stay intact. In addition to that, it makes sense to clean up your Mac from old system junk files and application leftovers. The easiest way to do it is to run CleanMyMac X on your machine (download it for free here).
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Visit your local Apple Store to download older OS X version
If none of the options to get older OS X worked, pay a visit to nearest local Apple Store. They should have image installations going back to OS Leopard and earlier. You can also ask their assistance to create a bootable USB drive with the installation file. So here you are. We hope this article has helped you to download an old version of Mac OS X. Below are a few more links you may find interesting.