You’ve decided to try out Construct 3 and use it to make games. Your first step might have been to read and complete the Beginner’s guide to Construct 3 . If yo...
Post this type of question in the dedicated "How do I Forum" - construct.net/en/forum/construct-3/how-do-i-8
And make sure to post your .c3p file in the process, that will make it easier to help your out.