Claim your name. If you write, you are a writer. The longer you call yourself an “aspiring writer” instead of a writer, the longer you keep yourself from the pride and inclusion and knowledge that you are, indeed, a writer.
Get serious about your craft. This means making time to write every day or almost every day. Writing out of habit and commitment will get you closer to finishing your first book than waiting for inspiration.
Start even if you don’t feel ready. Because I’ll give you a hint: no one ever actually feels ready. The longer you put it off, the longer it will be until you feel like a writer.
Make some writer friends. Talk to writers online. Talk to writer friends in real life. Just connect with someone who will be able to discuss the finer points of writing with you and inspire you to keep working for your dream.
Read up on your craft. This includes blog posts from other writers either on Tumblr, online blogs, or, where I found most of my beginning knowledge, Pinterest. Read some classic books on the craft of writing like On Writing by Stephen King or Bird by Bird by Anne Lamott.
Learn how to write. Commit yourself to learning the rules so you know how you can break them in ways that make your writing stronger.
Just Write. This is the key to being a writer. Write when you don’t feel ready. Write when you’re not sure. Write even when you don’t feel like writing. Write because you’re a writer and you must. Just write. For this is literally the only way you can actually improve your writing.