Time for action – save your scene
A computer teacher of mine once gave me sage advice: "Save often, cry seldom." Throughout the book, I won't pester you to save your project in every other paragraph—that's up to you and how comfy you feel with your dodgy power cable and the fact that you're reading this book during a lightning storm. At the very least, let's learn how to save the Scene that we're working on. Save frequency is up to you from this point on!
Click on File | Save (or Save Scene As) in the menu. You're asking Unity to save the current named Scene, but there really is no named Scene for it to save yet. Let's fix that.
In the resulting dialog, type a name for your Scene. I chose to call mine
Game.Click on the Save button. Unity actually creates a Scene asset in the Project panel called Game. You know that it's a Scene because it has a Unity 3D icon next to it:
Now that you've named your Scene, you can quickly save changes at any point by pressing Ctrl or Command + S, or by clicking...
