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Install Swift 3: macOS

To use Swift 3 on macOS, you just need to have Xcode 8 installed.

Install Xcode

Install Xcode 8 from the Mac App Store.

Xcode 8

Open Xcode

After Xcode 8 has been downloaded, you must open it to finish the installation. This may take a while.


Double check the installation was successful by running:

curl -sL check.vapor.sh | bash


You can now move on to Install Toolbox.


Check out Swift.org's extensive guides if you need more detailed instructions for installing Swift 3.0.