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.
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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.
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.
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'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).
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.
What is the difference between the TaylorMade Sim Max and Sim Max OS Irons?
The main differences between the TaylorMade Sim Max and Max OS irons is the that the Sim Max Iron has a lower loft, and produces less bounce than the Max OS.
Like most other sports, the game of golf has changed a lot in recent times. New technologies have emerged offering more choices to the players as far as golfing equipment is concerned. The modern golfing equipment helps players enhance the level of their game. The golf clubs, especially, are modified to yield better loft and distance traveled by the golf ball.
The irons are always used for distance shots and modern irons have certain new dimensions that make them superior when compared with the earlier ones. The TaylorMade Sim Max and Sim Max OS irons are examples of this. There are some similarities between these two clubs; however, it is the difference between the two that is being discussed here.
Detail | 5-iron | 7-iron | ||
SIM Max | SIM Max OS | SIM Max | SIM Max OS | |
Loft | 21.5° | 20° | 28.5° | 27° |
Lie | 62.0° | 62.0° | 63.0° | 63.0° |
Offset | 5.2mm | 6.2mm | 4.2mm | 5.2mm |
Bounce | 3° | 3° | 5° | 5° |
Length (ST/GR) | 38.50' | 38.50' | Winter sleep - deluxe edition mac os. 37.25' | 37.25' |
Swingweight (ST/GR) | D1/D0 | D1/D0 | D1/D0 | D1/D0 |
Swingweight Women (ST/GR) | C2 | C2 | C2 | C2 |
In terms of the physical dimensions, the height of the SIM Max OS is 1mm higher in the toe. The offset is also an additional 1mm in the TaylorMade SIM Max OS irons compared with the SIM Max irons. Similarly, the overall sole width is wider by 3mm. A sole chamfer is provided in the rear which brings down this width to just 1mm.
The slightly lower loft in the case of the SIM Max OS irons will help you hit the ball at longer distance.
There is a difference in the offset also while the bounce remains the same. There is no difference in the shaft length.
The significant differences between the two are in the head of the irons. A lot of aerodynamic technology is put to use to find the exact spots where the face of the club comes in contact with the ball at the time of the shot. The areas that do not come in contact with the golf ball are made thinner placing all the meat at the points of contact.
If you are not familiar with the suffix OS, it stands for ‘oversized'. A Speed Bridge has been added to the face to make a huge difference to the distance covered by the ball. Most of these irons are quite forgiving, which boosts the confidence of the players. Tests have indicated that the TaylorMade SIM Max OS irons can hit the longest shots.
Is the TaylorMade Sim Max Iron Better Than the Sim Max OS Iron?
The TaylorMade SIM Max and SIM Max OS are not very different, although the SIM Max OS has a marginally larger face. If the same player with identical swing and style were to use the two irons, he or she may be able to hit the golf ball at a longer distance with the TaylorMade SIM Max OS iron.
You may feel the forgiveness is also more in the SIM Max OS iron. The TaylorMade SIM Max OS is rated as the iron that can hit the longest distance among the contemporary irons that are used in the game. It gives the right trajectory for the ball and the loft is also corrected for achieving these results.
Is the TaylorMade Sim Max Iron better than the TaylorMade P790?
It may be difficult to make a general statement on this. Both have similar attributes and can hit the distance with ease. However, TaylorMade launched the SIM Max and SIM Max OS irons this year at a much lower price point than the TaylorMade P790 iron.
If you find the TaylorMade P790 iron at around $1,400 you will find the TaylorMade SIM Max irons can be purchased at around half this price, in the $750 range.
The answer to which is better between the two may also vary with the players. The company says it produces its golf clubs to cater to players with a range of handicaps from +4 to 25.
Distance (Sim Max Iron Vs P790 Iron)
A TaylorMade P790 can hit around 194 yards while the TaylorMade SIM Max OS 7-iron can hit up to 188 yards. A lower iron like the 4-iron in the TaylorMade SIM Max OS can reach a much longer distance, say up to 210 yards.
It must, however, be understood that the distance you can hit a ball will be decided largely by the swing, the exact spot on the clubhead that hits the ball, etc. Golfers who switched to the TaylorMade P790 or the newly launched SIM Max irons from a different golf club could add up to 10-15 yards to their shots.
This is one major difference that technology has brought to these clubs from TaylorMade. These clubs are regularly used by the top PGA pros.
Degree of Loft (Sim Max Iron Vs P790 Iron)
Here's a comparison of the lofts you get with the TaylorMade SIM Max irons and the TaylorMade P790 irons. The shafts in both cases would be of the stock lengths.
4 | 5 | 6 | 7 | 8 | 9 | PW | |
SIM Max Irons | 19.0° | 21.5° | 25.0° | 28.5° | 32.5° | 38.0° | 43.5° |
P790 | 21.0° | 23.5° | 26.5° | 30.5° | 35.0° | 40.0° | 45.0° |
It is clear from the above table that the latest TaylorMade SIM Max and SIM Max OS irons have a slightly lower loft which ensures that your shot is carried a bit longer than that with the corresponding TaylorMade P790 irons.
The variable factors to be considered here are the player's handicap and swing. These comparisons are for the same player using the two irons for a few shots and the average taken.
TaylorMade Sim Max Iron Vs M5 Iron
Here's a comparison of the features of the two irons, the TaylorMade SIM Max iron and the M5 iron.
Iron | Club speed (mph) | Ball speed (mph) | Loft | Spin (rpm) | Carry (yds) |
TaylorMade SIM Max | 94.1 | 126.4 | 14.3° | 5162 | 182 |
TaylorMade M5 | 92.4 | 125 | 14.7° | 5616 | 178 |
The TaylorMade SIM Max iron certainly appears to have better features than the TaylorMade M5 iron based on this comparison. The distance may be more by just 4 yards here. However, in the hands of a professional player, the ball can go farther than this. These are average figures taken under test conditions.
It is no secret that the modifications to the clubface in the TaylorMade SIM Max irons are superior in every aspect. These include the materials used, the increase in the sole width, and the area for hitting. The forgiveness is also greater, transferring all the advantages to the player.
TaylorMade has no qualms in admitting that they are aiming at those players with reasonable handicaps to go for their latest irons despite the costs, since it helps improve their game.
TaylorMade Sim Max Driver Vs M6 Iron
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The TaylorMade M6 iron is positioned as superior to the M5 iron and that is reflected in this comparison of the key features of the club with that of the TaylorMade SIM Max. The difference is marginal.
Iron | Club speed (mph) | Ball speed (mph) | Loft | Spin (rpm) | Peak Height (yds) | Carry (yds) |
TaylorMade SIM Max | 94.1 | 126.4 | 14.3° | 5162 | 30 | 182 |
TaylorMade M6 | 94.2 | 127.1 | 14.9° | 5454 | 31 | 181 |
The difference in the spin by around 300rpm is apparent and the lower number for the TaylorMade SIM Max gives the iron a better result in terms of the trajectory and distance the ball is carried. The loft is also less by less than a degree but can make a difference.
The efficacy of the irons can improve with the user. This is probably the reason why even the senior pros in the circuit prefer these clubs in their armory. It gives them that extra edge they desperately look for in competitive play.
Sim Max Vs Sim Max OS Irons
Sim Max Vs Sim Max OS Irons
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It is important to first understand the concept that has gone into the development of these two hybrid irons, the TaylorMade SIM Max and the TaylorMade SIM Max OS, before the difference between the two can be discussed. There are many similarities and a few differences.
TaylorMade has gone all out to make the clubhead as large as possible, giving the golf player higher forgiveness and a wider area with which to hit the ball. There are a whole lot of changes in the way the shaft, the grip, and the other aspects are designed and constructed. The materials used are far superior to any you have seen before in golf clubs. These new and improved irons are positioned as game improvement irons.
The key features of the irons can be compared as below:
Iron | Club speed (mph) | Ball speed (mph) | Loft | Spin (rpm) | Peak Height (yds) | Carry (yds) |
TaylorMade SIM Max | 94.1 | 126.4 | 14.3° | 5162 | 30 | 182 |
TaylorMade SIM Max OS | 92.6 | 128.5 | 14.5° | 4822 | 31 | 188 |
The TaylorMade SIM Max OS comes out as all muscle and capable of hitting longer distances. Rockys revolution mac os. The OS is supposed to mean oversize or offset. There are reviews on various forums that claim that the TaylorMade SIM Max iron hits the longest distance among all the irons.
In terms of the design changes, the Speed Bridge on the back of the clubhead is a new feature. The other new inclusion is the ECHO Damping System. This is meant to take care of the vibrations while taking the shots. Besides these, the company points out that the speed pocket technology and the low center of gravity are two technical inputs in the TaylorMade SIM Max and SIM Max OS irons to deliver better shots.
There are competing irons from the same brand, the TaylorMade M5 and M6, the predecessors to the SIM Max irons, and the TaylorMade P790. As it happens with any other product, the preference for one iron over the other will have to be left to the individual player.
SIM Max Vs Callaway Mavrik irons
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Callaway Golf is a competitor to TaylorMade. They also make game improvement irons with superior technology that offers better results while playing. Their latest Mavrik series of irons are said to incorporate cutting-edge Artificial Intelligence or AI technology. Some of the unique aspects of the Callaway Mavrik irons include Tungsten weights to get the center of gravity right.
The details of the TaylorMade SIM Max irons have already been covered earlier. On a one-on-one comparison, the TaylorMade irons appear to give a better performance than the Callaway Mavrik irons. These include the distance hit in terms of yards and forgiveness. It may even be fair to say that the Speed Bridge on the TaylorMade SIM Max irons is the game-changer.
SIM Max Vs Ping G410 iron
The Ping G410 iron is another game improvement iron that comes close to what the TaylorMade SIM Max has to offer. The interesting part is that the manufacturer has turned the earlier theories on its head by reducing the overall size of the clubface but still delivering better forgiveness.
On a direct comparison between the Ping G410 iron and the SIM Max iron from TaylorMade, the Ping G410 iron delivered better distances, and players were very comfortable handling the club. The difference in carry was not too high; just 3 yards, but to the golfer, every yard matters.
The Ping G410 irons are made with the COR-Eye technology and the design of the sole and the deep top-rail undercut are combined to deliver the best game improvement results for the average golfer at the club level.