How to upgrade the iMac system to the latest version

2. After opening, if there is the latest system launched, it will be displayed in the recommendation bar above, and in the lower right of the recommendation bar, you can see the current latest system, click to open;

First, turn on your Mac computer to enter the home screen, then turn on the "System Preferences" feature, then click on the "Software Update" button, then open the "macOS Catalina Upgrade" option, then click on the "Upgrade Now" button, and then follow the on-screen instructions to start the upgrade.

Mac system upgrade is different from mobile phone, you need to ensure that the computer is connected to a broadband network when upgrading the Mac system.

Mac computer use skills: 1. Change Apple ID - first open the App Store software in the computer, wait for the store to load the content and click the "Store" button above, click the "Show My Account" option in the pop-up menu, then click the "Logout" button in the window, then click the "Store" button at the top again, click the "Login" option in the pop-up menu, and then enter the new Apple ID and password.

2. Connect the Bluetooth keyboard - first turn on the on/off key of the Bluetooth keyboard, and then turn on the Bluetooth key to make the blue light flashing (some of these two keys are combined into one).

Then turn on your Mac, then turn on the Bluetooth feature, and then search for a Bluetooth device that you can connect to. After searching for the Bluetooth device, pair it, and after the pairing is successful, a 4-digit verification code will be displayed on the computer screen, and then enter the verification code on the keyboard and press the enter key.

This answer is for Macbooks introduced in 2015 or later

MacBook Air introduced in 2012 or later

MacBook Pro introduced in 2012 or later

Mac mini introduced in 2012 or later

iMac introduced in 2012 or later

iMac Pro (all models).

Mac Pro introduced in 2013 or later

1. First turn on your Mac computer and click on the apple icon pointed by the red arrow, as shown in the figure below

2. Then click on System Preferences pointed to by the red arrow, as shown in the image below

3. Select the software update indicated by the red arrow, as shown in the following figure:

4. Enter the update page, see the content that needs to be updated, and click the red arrow to upgrade immediately, as shown in the figure below

The 2013 iMac can be upgradedios 13System.

Series. The iMac is characterized by its design, which has won awards almost every year due to its unique design and outstanding ease of use.

June 5-9, 2017 at the Apple Developer Conference.

In 2017, the iMac Pro was released.

This is Apple's most powerful iMac ever, and it is powered by up to 18 cores of Xeon processors.

Overall floating-point arithmetic.

The power reaches a staggering 22 teraflops (22 trillion floating point operations per second).

On August 5, 2020, Lingshu Apple.

The 27-inch IMAC was updated on the official website, and the appearance has not changed, mainly because of the performance upgrade.

History. On August 15, 1998, the IMAC was configured with a 233 MHz processor. With 2MB graphics processing.

Available only in Bondi Blue. On October 17, 1998, the iMac was updated to macOS, ATI graphics processing with 6 megabytes of SDRAM.

On January 5, 1999, the IMAC upgraded to a 266MHz processor. Remove the IRDA port and mezzanine slot. 6 MB graphics processing. Added Strawberry Red, Bondi Blue, Lime Green, Grape Purple and Grapple Bilberry.

Match colors. On April 14, 1999, iMac upgraded its 333MHz processor. Updated mouse buttons.

On October 5, 1999, the IMAC IMAC DV IAC DVSE Gen 1 supported FireWire. Available with a 350 or 400MHz processor, a new CD tray drive, and a special edition in the same color as graphite.

July 19, 2000 iMac IMAC DV IMac DV + DVSE optional or 500MHz processor.

February 22, 2001 iMac optional or 600MHz processor. In indigo.

Available in graphite, blue or red colors.

1. First turn on your Mac computer and click on the apple icon pointed by the red arrow, as shown in the figure below

2. Then click on System Preferences pointed to by the red arrow, as shown in the image below

3. Select the software update indicated by the red arrow, as shown in the following figure:

4. Enter the update page, see the content that needs to be updated, and click the red arrow to upgrade immediately, as shown in the figure below

Here's how:1. First turn on your Mac computer and click on the apple icon pointed by the red arrow, as shown in the figure below

2. Then click on System Preferences pointed to by the red arrow, as shown in the image below

3. Select the software update indicated by the red arrow, as shown in the following figure:

4. Enter the update page, see the content that needs to be updated, and click the red arrow to upgrade immediately, as shown in the figure below

1. First turn on your Mac computer and click on the apple icon pointed by the red arrow, as shown in the figure below

2. Then click on System Preferences pointed to by the red arrow, as shown in the image below

3. Select the software update indicated by the red arrow, as shown in the following figure:

4. Enter the update page, see the content that needs to be updated, and click the red arrow to upgrade immediately, as shown in the figure below