You can find the completed project under the course resources: https://www.appbrewery.co/p/ios-course-resources/

If you've got some niggling bugs or there is something wrong with your code that you can't figure out, compare your code against the finished version of the app.

Simply clone the project from Github using Source Control → Clone inside Xcode. If you need a refresher on cloning repos, have a look at this lesson from the Dicee module: https://www.appbrewery.co/courses/ios13-development-course/lectures/11743810