Pitt | Swanson Engineering

Install and Configure Xcode

Xcode 4.1 is free and available for Lion.

Do your software updates! Make sure you have the latest version of your operating system.
Have about 10 GB of space free on your hard drive prior to starting the process.

Downloading Xcode can take 30-60 minutes.
The installation wizard takes about 20-30 minutes.

Install Xcode

  1. Open "App Store"
  2. Search for "Xcode" and select it from the search results
  3. Click "Free", then click "Install App"
  4. Wait for the the download to finish
  5. Follow the installation wizard to complete the Xcode installation


  • You will need an Apple ID to download apps from the App Store
  • You may install Xcode on all machines associated with your Apple ID
  • No payment method will be requested since the download is free

Configure Xcode

1. Open Preferences Pane


After starting Xcode, go to the menu bar and select Preferences from the drop-down menu.
One can also simply press "Command-," (comma).

2. Text Editing Pane


Select "Line Numbers".
In addition, I like to "Show page guide".