php editor Strawberry will explain to you how to install a lower version system on Mac. Sometimes, we may need to install an older version of the operating system for compatibility with certain software or for testing. Although Apple officially does not provide a direct way to download the old version of the system, we still have some methods to achieve it. The following will introduce two commonly used methods to help you install a lower version system on your Mac.
You can use a USB flash drive to make a system installation disk for downgrading by following the following steps: Prepare a USB with a capacity of 8GB or more drive and format it in "macOS Extended Journaled" format. Then, download the system installation package that needs to be downgraded, and enter the corresponding code in the terminal to create a bootable USB disk. After restarting your Mac, select Install System in the macOS utility to complete the downgrade process.
However, generally speaking, the factory system will not be the latest system, and may still be 14. Just consult the merchant for details. Welcome to adopt.
If there is no backup, now find a USB flash drive to copy the data, reinstall the new system, and reinstall the software.
To download the update for Mac OS 10 Yosemite, first open the App Store. In the Featured section, you will find update options for this system. Click the "Download" button to start downloading. Next, click the “View in Mac App Store” button on the page and you will be taken to the download page in the App Store. After completing these steps, you can start downloading and installing the Mac OS 10 Yosemite update.
After restarting, MacBook will automatically enter the Windows installation interface, which is similar to the PC installation system. The only difference is the partitioning process. Please be careful to select the separated Boot Camp partition and format it without deleting it. It is recommended to choose NTFS format to improve compatibility. Once the formatting is complete, the installation can begin.
According to the above introduction, Mac downgrade is the process of rolling back a high version operating system to a lower version. This process will cause the system to reinstall and clear the data on the Mac. Therefore, we can only recover data through Time Machine or cloud storage, and the method of using third-party data software to recover data is almost ineffective.
To restore the automatic recovery function of your Macbook, hold down the power button and press the Command R key to enter recovery mode. A dialog box will pop up on the screen, select Disk Utility, and then click Next. This method can help you fix Macbook problems.
On iTunes, hold down the Shift (Windows) or Option (Mac) key and select the "Restore iPhone" option on the iTunes interface. Then select the previously downloaded old iOS firmware file to restore, and follow the instructions of iTunes to complete the restoration process. Doing so can help you roll back your iPhone to an older version of iOS system.
You can follow these steps to restore your Mac: 1. Shut down the computer first, then hold down the Shift, Option and Command keys, and then press the R key, so that your Mac will boot from the lower version of macOS recovery function. 2. In order to make a boot disk, I recommend that you install macOS Catalina 15 version. This version is neither too high nor too low, just right for your needs.
5. The method to restore the original system version of the Apple system is as follows: First find and open the app store on the mobile phone desktop, and find the search bar of the app in the pop-up interface. Click the search bar option, and then enter the name of the app you want to downgrade back to the old version in the search bar.
6. The previous mac system was 15, and I used Time Machine to save it to the hard drive.
You can use a U disk to make a system installation disk for downgrading by following the following steps: Prepare a U disk with a capacity of 8GB or more drive and format it in "macOS Extended Journaled" format. Then, download the system installation package that needs to be downgraded, and enter the corresponding code in the terminal to create a bootable USB disk. After restarting your Mac, select Install System in the macOS utility to complete the downgrade process.
Shut down the computer first, then turn it on and then Command R. Wait for a while and the [OS Downgrade to a lower version.
Step one: Format the USB flash drive. Plug the USB flash drive into the computer, open Disk Utility, select Erase, select macOS Extended Journaled as the format, and rename the USB flash drive to Mojave. Step 2: Download the installation image of macOS 14. This is just an example. Download which version of the system you want to install.
Connect your iPad to your computer, then open iTunes. Select your iPad in iTunes. Click the "Restore iPad" button. Select the iOS system recovery file you downloaded and click the "Open" button. Click the "Restore and Upgrade" button.
If the Apple 4s phone has backed up the old version of the system in the iTunes software on the computer before updating the system to the new version; you can connect to iTunes on the computer, select system recovery, and follow the prompts of iTunes Operation, restore the phone's system to the original version of the system.
Because the upgraded new system of Apple mobile phones has too high requirements for mobile phone hardware, some mobile phones may experience lags, unsmooth operation, etc. Therefore, users who encounter this situation want to lower the system back. Then How do we do this? In this regard, this article will share with you how to return the Apple system to the previous version.
1. You can use a U disk to make a system installation disk for downgrading by following the following steps: Prepare a U disk with a capacity of 8GB or more, and It is formatted in "macOS Extended Journaled" format. Then, download the system installation package that needs to be downgraded, and enter the corresponding code in the terminal to create a bootable USB disk. After restarting your Mac, select Install System in the macOS utility to complete the downgrade process.
2. Question 6: Can the Mac system of an Apple notebook be downgraded? It should be possible. Question 7: How to downgrade the Apple ios10 system to ios9. Hello, the current iOS10 is a developer test version, which is unstable and has poor software compatibility. normal. It is not recommended for ordinary users to use it normally and can only try it out.
3. First, insert the U disk into the computer, open "Disk Utility", select "Erase", select macOS Extended Log Format, then rename the U disk to Mojave, as shown in the figure below, and then enter Next step. Second, download the macOS system installation image, and then download the version you want to install.
4. What is the reason? Apple recommends installing the latest version. If you install the 2015 Sierra version and do not update the date of the old version, an error will appear. We only need to modify the date before installing it. That's it.
5. However, it should be noted that although macos can be returned to the old version, do not make the startup disk version lower than the factory version during operation. If it is lower than the factory version, the operation will not be successful.
6. For example, if the system currently running on your computer is the macOS15 beta system, then you can only install the macOS15 beta system through this method. If you want to install other versions of macOS, you need to use the second method: make a macOS boot USB flash drive.
First confirm whether your Mac can install the latest macOS. This step is very important, especially for older early model Macs. You must first confirm before upgrading. To confirm the highest supported macOS, taking macOS Sierra as an example, you need to use one of the following Mac models and OS X versions.
You need to download the version of MacOS10-12 first, and then install it. If you want to install the latest version, you must also install this version before upgrading. If not, you can ask after-sales service. You can check on the official website whether your MacBook supports upgrading to the latest version of the system.
If your iPad version is too old and cannot use the latest applications or system features, then you need to update it to the latest version. However, if you don't have a Mac computer or can't update via OTA, then you can update your iPad on a computer by following the steps below.
If the computer does not pop up the update interface, you can click "Check Updates" on the summary interface of the iPad to detect available updates for the device. Follow the prompts to download the updates, upgrade and install them. After installation, you can solve the problem that the iPad version is too low and the software is too low. The problem of not being able to update.
The steps to upgrade if the Apple computer version is too low are as follows: Tools: MacBook Air, macOS17. Click the Apple logo icon in the upper left corner of your computer to enter the "About This Mac" interface. On the About This Mac interface, click the "Software Update" function. On the software update interface, click "Upgrade Now" to upgrade the system.
Conclusion: The above is a summary of the answers that this site has compiled for you on how to install a lower version system on Mac. I hope it will be helpful to you! If your problem is solved, please share it with more friends who care about this problem~
The above is the detailed content of How to install a lower version system on mac?. For more information, please follow other related articles on the PHP Chinese website!
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
