I wouldn't know if Fire uses Blender in certain aspects of the game, such as modelling, but I'm pretty sure it's made (entirely?) with RenPy. :))
hi there! Once you've downloaded the file, you have to extract the file. This is done by right clicking the file and clicking extract. Afterwards you open the extracted file, and open up the folder and click the application.
Love, Emily <3
Same LOL
Ah, yes. I see you're a man of culture as well, my friend.