- Create a developer account with Apple
- https://developer.apple.com and shell out $99 for a developer account
- Download and install X-Code from the Apple App Store
- Open and run X-Code app and install whatever extras it requires
- Open the preferences pane (cmd+,)
- click the
+
in the lower right corner - choose
Apple ID
- enter your apple ID and password
- click the
- Previously created keys can be downloaded and installed from https://developer.apple.com