We always recommend that aspiring writers purchase a professional screenwriting program if they're at all serious about the craft. These are our favorite software that you should definitely check out:
Best Screenwriting Software Compared
Alternatively, if you're unsure if you want to invest in screenwriting or are simply short on cash, there are also some good free options out there:
Best Free Screenwriting Software
What we don't recommend is writing using a bad free screenwriting software not listed above. Or, worse yet, a non-screenwriting program such as Microsoft Word. Writing in these programs is just a pain in the ass and looks super unprofessional to anyone who reads your script.
If you still need help, please contact us.