I'm new to video production. I need to create a 60 sec video within 24 hours, this is URGENT

I have exactly 24 hours to produce a video which will be about an idea that'll make make roads safer, this videos duration is 60 seconds. Problem is I don't know video production, anyone recommend me a software that I can get for free? via /r/videoproduction https://www.reddit.com/r/videoproduction/comments/55y86y/im_new_to_video_production_i_need_to_create_a_60/?utm_source=ifttt