Just take a look at this infographic screenwriting template from The Writer's Store. and once you do, you're off to the races. It just takes a little effort to wrap your head around several key concepts and elements. Luckily, screenplay formatting isn't rocket science. So, if you don't take care of being clear and concise with your sluglines, action, and dialogue, then the director, DP, and 1st AD will have a hard time doing their job. Remember, if your script gets selected to be turned into an actual film, it will need to be turned into a script breakdown sheet. Because even if you understand everything that's going on in your screenplay when it comes to formatting, there will (hopefully) be other people looking at it that may not.
That's why we wanted to give you some simple resources to help you understand the basics of screenplay formatting and take you through how to format a script. You may not have to worry about margins, typeface, or indentations, but you'll still need to know how to write action and dialogue, as well as what a slugline is and why the information included in it is so important. Screenwriting software like Final Draft, Celtx, and WriterDuet make it easy not to concern yourself with script format too much, but it's still important to learn. It is worth saving money to buy or searching to find free screenplay software. The truth is, you can achieve everything in Microsoft Word and other programs, but formatting a screenplay can be a real pain. Mastering Script Formatting with a Movie Script Template