Amongst the tears I have shed for the past weeks, I am really happy that you have found the time to keep sharing these stories with us. You are an amazing professional and a terrific storyteller, and for as long you have tales to tell, I am going to be here to listen.
I'm glad you enjoyed it! And yes, I'm thinking about it! It was a very fun experience, so I want to improve it and expand it. It may take a while, as real life got in the way.
I am assuming because you need to have the proper permissions to install software on your PC. GameMaker generates the install wizard, and your PC must ensure that you have the right permissions to install the game.