How do I install Xcode 9 without updating macOS?

xcode8 xcode9 xcode8-beta6 xcode9.1-beta
Samkit Shah picture Samkit Shah · Aug 30, 2016 · Viewed 83.1k times · Source

Does anyone have any idea to install Xcode 8 OR Xcode 9 without updating macOS?

I want to update my Xcode 7.1 to Xcode 8 or Xcode 9 (or 9.1) Beta.

But it is not allowing me to update directly on OS X Yosemite 10.10.

And I don't want to update my OS to El Capitan now, so how can I install Xcode 8 on OS X Yosemite 10.10.

Answer

Naup picture Naup · Sep 15, 2016

Xcode 8 will work on OS X 10.11 (El Capitan) but the apps you build with won't, because the only SDK available is macOS 10.12 SDK, i.e. macOS Sierra's.

From release notes:

Compatibility

Xcode 8 requires a Mac running macOS Sierra 10.12 or OS X El Capitan 10.11.5 or later.

Xcode 8 includes SDKs for iOS 10.0, watchOS 3.0, macOS Sierra 10.12, and tvOS 10.0.

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