The course is 100 percent free if using the link below and it's hosted on Udemy.
I know this post isn't exactly a tutorial, but hopefully it's ok to leave it up as it links to a full, free course on Construct 2.
The course can be found HERE
Here is a promo for the course.
Unlock your full gamedev potential
Upgrade to the Personal Edition of Construct 2, it has way more features and won't holding back from making money and using your full creativity like the free edition does. It's a one off payment and all Construct 2 editor updates are free for life!
Plus, it's got a lot of additional features that will help you save time and make more impressive games!