Update Mac Os Sierra To Catalina
Downgrade Mac Os Catalina To Sierra

This directory contains binaries for a base distribution and packages to run on Mac OS X (release 10.6 and above). Mac OS 8.6 to 9.2 (and Mac OS X 10.1) are no longer supported but you can find the last supported release of R for these systems (which is R 1.7.1) here. Mac OS X obviously is the supporting operating system. There are different ways to download Mac OSX 10.10 Yosemite on different computer brands. We’ve compiled the steps for a Mac as well for Windows. Downloading Apple Mac OSX 10.10 Yosemite from Apple Store. The users can still find Mac OS X Yosemite Download here and its available for free. To use an eGPU, a Mac with an Intel processor is required. An eGPU can give your Mac additional graphics performance for professional apps, 3D gaming, VR content creation, and more. EGPUs are supported by any Mac with an Intel processor and Thunderbolt 3 ports 1 running macOS High Sierra 10.13.4 or later. Learn how to update the software on.

To use an eGPU, a Mac with an Intel processor is required.

An eGPU can give your Mac additional graphics performance for professional apps, 3D gaming, VR content creation, and more.

eGPUs are supported by any Mac with an Intel processor and Thunderbolt 3 ports¹ running macOS High Sierra 10.13.4 or later. Learn how to update the software on your Mac.

An eGPU lets you do all this on your Mac:

Accelerate apps that use Metal, OpenGL, and OpenCL
Connect additional external monitors and displays
Use virtual reality headsets plugged into the eGPU
Charge your MacBook Pro while using the eGPU
Use an eGPU with your MacBook Pro while its built-in display is closed
Connect an eGPU while a user is logged in
Connect more than one eGPU using the multiple Thunderbolt 3 (USB-C) ports on your Mac²
Use the menu bar item to safely disconnect the eGPU
View the activity levels of built-in and external GPUs (Open Activity Monitor, then choose Window > GPU History.)

eGPU support in apps

eGPU support in macOS High Sierra 10.13.4 and later is designed to accelerate Metal, OpenGL, and OpenCL apps that benefit from a powerful eGPU. Not all apps support eGPU acceleration; check with the app's developer to learn more.³

In general, an eGPU can accelerate performance in these types of apps:

Pro apps designed to utilize multiple GPUs
3D games, when an external monitor is attached directly to the eGPU
VR apps, when the VR headset is attached directly to the eGPU
Pro apps and 3D games that accelerate the built-in display of iMac, iMac Pro, MacBook Air, and MacBook Pro (This capability must be enabled by the app's developer.)

You can configure applications to use an eGPU with one of the following methods.

Use the Prefer External GPU option

Starting with macOS Mojave 10.14, you can turn on Prefer External GPU in a specific app's Get Info panel in the Finder. This option lets the eGPU accelerate apps on any display connected to the Mac—including displays built in to iMac, iMac Pro, MacBook Air, and MacBook Pro:

Quit the app if it's open.
Select the app in the Finder. Most apps are in your Applications folder. If you open the app from an alias or launcher, Control-click the app's icon and choose Show Original from the pop-up menu. Then select the original app.
Press Command-I to show the app's info window.
Select the checkbox next to Prefer External GPU.
Open the app to use it with the eGPU.

You won't see this option if an eGPU isn't connected, if your Mac isn't running macOS Mojave or later, or if the app self-manages its GPU selection. Some apps, such as Final Cut Pro, directly choose which graphics processors are used and will ignore the Prefer External GPU checkbox.

Set an external eGPU-connected display as the primary display

If you have an external display connected to your eGPU, you can choose it as the primary display for all apps. Since apps default to the GPU associated with the primary display, this option works with a variety of apps:

Quit any open apps that you want the eGPU to accelerate on the primary display.
Choose Apple menu  > System Preferences. Select Displays, then select the Arrangement tab.
Drag the white menu bar to the box that represents the display that's attached to the eGPU.
Open the apps that you want to use with the eGPU.

If you disconnect the eGPU, your Mac defaults back to the internal graphics processors that drives the built-in display. When the eGPU is re-attached, it automatically sets the external display as the primary display.

About macOS GPU drivers

Mac hardware and GPU software drivers have always been deeply integrated into the system. This design fuels the visually rich and graphical macOS experience as well as many deeper platform compute and graphics features. These include accelerating the user interface, providing support for advanced display features, rendering 3D graphics for pro software and games, processing photos and videos, driving powerful GPU compute features, and accelerating machine learning tasks. This deep integration also enables optimal battery life while providing for greater system performance and stability.

Apple develops, integrates, and supports macOS GPU drivers to ensure there are consistent GPU capabilities across all Mac products, including rich APIs like Metal, Core Animation, Core Image, and Core ML. In order to deliver the best possible customer experience, GPU drivers need to be engineered, integrated, tested, and delivered with each version of macOS. Aftermarket GPU drivers delivered by third parties are not compatible with macOS.

The GPU drivers delivered with macOS are also designed to enable a high quality, high performance experience when using an eGPU, as described in the list of recommended eGPU chassis and graphics card configurations below. Because of this deep system integration, only graphics cards that use the same GPU architecture as those built into Mac products are supported in macOS.

Supported eGPU configurations

It's important to use an eGPU with a recommended graphics card and Thunderbolt 3 chassis. If you use an eGPU to also charge your MacBook Pro, the eGPU's chassis needs to provide enough power to run the graphics card and charge the computer. Check with the manufacturer of the chassis to find out if it provides enough power for your MacBook Pro.

Update Mac Os Sierra To Catalina

Recommended graphics cards, along with chassis that can power them sufficiently, are listed below.

Thunderbolt 3 all-in-one eGPU products

These products contain a powerful built-in GPU and supply sufficient power to charge your MacBook Pro.

Recommended Thunderbolt 3 all-in-one eGPUs:

Blackmagic eGPU and Blackmagic eGPU Pro⁴
Gigabyte RX 580 Gaming Box⁴
Sonnet Radeon RX 570 eGFX Breakaway Puck
Sonnet Radeon RX 560 eGFX Breakaway Puck⁵

AMD Radeon RX 470, RX 480, RX 570, RX 580, and Radeon Pro WX 7100

These graphics cards are based on the AMD Polaris architecture. Recommended graphics cards include the Sapphire Pulse series and the AMD WX series.

Recommended Thunderbolt 3 chassis for these graphics cards:

OWC Mercury Helios FX⁴
PowerColor Devil Box
Sapphire Gear Box
Sonnet eGFX Breakaway Box 350W
Sonnet eGFX Breakaway Box 550W⁴
Sonnet eGFX Breakaway Box 650W⁴
Razer Core X⁴
PowerColor Game Station⁴
HP Omen⁴
Akitio Node⁶

AMD Radeon RX Vega 56

These graphics cards are based on the AMD Vega 56 architecture. Recommended graphics cards include the Sapphire Vega 56.

Recommended Thunderbolt 3 chassis for these graphics cards:

OWC Mercury Helios FX⁴
PowerColor Devil Box
Sonnet eGFX Breakaway Box 550W⁴
Sonnet eGFX Breakaway Box 650W⁴
Razer Core X⁴
PowerColor Game Station⁴

AMD Radeon RX Vega 64, Vega Frontier Edition Air, and Radeon Pro WX 9100

These graphics cards are based on the AMD Vega 64 ar