By default, Xcode 4.1 is required for Mac OS X 10.7. However it is still possible to use Xcode 3.2.6, which is the last version of the Xcode 3 series. Just install it from the command line.
The Xcode 12.2 beta release supports on-device debugging for iOS 9 and later, tvOS 9 and later, and watchOS 2 and later. Xcode 12.2 beta requires a Mac with Apple silicon running macOS Big Sur 11 or later, or an Intel-based Mac running macOS Catalina 10.15.4. Xcode 4.2 is the last version to support Mac OS X 10.6 'Snow Leopard', but is available only to registered developers with paid accounts; without a paid account, 3.2.6 is the latest download.
After mounting the Xcode 3.2.6 disk image in Finder, open Terminal and enter the commands
This will open the Installer, letting you install Xcode 3.2.6 install as usual. Note: If you prefer having installed both Xcode 3.2 and 4.1 on the boot volume, make sure to install either Xcode 3.2.6 or Xcode 4.1 into a folder other than /Developer.
Xcode 10.3 Download
Xcode includes the Instruments analysis tool, iOS Simulator, and the latest Mac OS X and iOS SDKs.
Download Xcode For Mac
The Xcode interface seamlessly integrates code editing, UI design with Interface Builder, testing, and debugging, all within a single window. The embedded Apple LLVM compiler underlines coding mistakes as you type, and is even smart enough to fix the problems for you automatically.
What's New:
Download Xcode 11 For Mac
Xcode in the Mac App Store has been repackaged, and is now distributed as a stand-alone application. This replaces the Install Xcode package, and adds support for delta updates. Xcode includes a new 'Downloads' preference pane to install optional components such as command line tools, and previous iOS Simulators.
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