如何获取旧版macOS DMG原版镜像

方法一:苹果官方支持网站

截至2021-03-17,苹果官方支持网站放出了以下macOS DMG原版镜像:

macOS Sierra 10.12(可升级 El Capitan、Yosemite、Mavericks、Mountain Lion 或 Lion)
OS X El Capitan 10.11(可升级 Yosemite、Mavericks、Mountain Lion、Lion 或 Snow Leopard)
OS X Yosemite 10.10(可升级 Mavericks、Mountain Lion、Lion 或 Snow Leopard)

下载地址:https://support.apple.com/zh-cn/HT211683

方法二:App Store

截至2021-03-17,苹果在App Store上架了以下安装器

macOS Catalina 10.15(可升级 Mojave、High Sierra、Sierra、El Capitan、Yosemite、Mavericks):https://apps.apple.com/cn/app/macos-catalina/id1466841314?mt=12

macOS Mojave 10.14(可升级 High Sierra、Sierra、El Capitan、Yosemite、Mavericks、Mountain Lion):https://apps.apple.com/cn/app/macos-mojave/id1398502828?mt=12

macOS High Sierra 10.13(可升级 Sierra、El Capitan、Yosemite、Mavericks、Mountain 、Lion):https://apps.apple.com/cn/app/macos-high-sierra/id1246284741?mt=12

方法三:由Collin开发的macOS XXX Patcher Tool for Unsupported Macs

开发者Collin开发的macOS XXX Patcher Tool for Unsupported Macs系列,本意是用于对安装镜像打补丁,以支持在官方不受支持的旧苹果电脑型号上运行新的macOS。但这些工具也含有可以下载旧版macOS DMG原版镜像的能力。注意,这些工具需要在macOS上运行。

(A)macOS Sierra Patcher Tool for Unsupported Macs

Current version: 4.2.7

下载地址:http://dosdude1.com/sierrapatch.html

(B)macOS High Sierra Patcher Tool for Unsupported Macs

Current version: 2.7.0, SHA1: 73f180d30200ef5f6d900440fe57b9c7d22bd6bf

下载地址:http://dosdude1.com/highsierra/

(C)macOS Mojave Patcher Tool for Unsupported Macs

Current version: 1.3.7, SHA1: 6f96788c3e61240dde232d644d83a0d8f373dbdc

下载地址:http://dosdude1.com/mojave/

(D)macOS Catalina Patcher

Current Version: 1.4.4

SHA1: b4caafe55b4f79afa962ec7ff58264c9b257aeca

下载地址:http://dosdude1.com/catalina/

方法四:Apple’s Regular Software Catalog

该方法需要从Apple’s Regular Software Catalog中辨别数个文件的下载url(一般为BaseSystem.dmg、BaseSystem.chunklist、InstallInfo.plist、InstallESDDmg.pkg、AppleDiagnostics.dmg、AppleDiagnostics.chunklist等),下载后进行U盘写入。

该方法需要一定的技术能力,详细见如下帖子《Making a bootable High Sierra USB Installer Entirely From Scratch in Windows or Linux Mint (without access to Mac or App Store Installer.app)》:https://www.insanelymac.com/forum/topic/329828-making-a-bootable-high-sierra-usb-installer-entirely-from-scratch-in-windows-or-linux-mint-without-access-to-mac-or-app-store-installerapp/

Apple’s Regular Software Catalog地址:https://swscan.apple.com/content/catalogs/others/index-10.13-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog.gz

备注:安装文件校验值可参考如下地址,包括macOS安装文件(SharedSupport.dmg、InstallESD.dmg、BaseSystem.dmg)和Xcode Installer DMG的SHA1值:

https://github.com/notpeter/apple-installer-checksums

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