Start writing short stories and essays about literally whatever is on your mind that day. Every type of writing you practice makes you better at every other ki

Start writing short stories and essays about literally whatever is on your mind that day. Every type of writing you practice makes you better at every other kind of writing. The part of your brain that learns to make fiction flow will do the exact same thing for complex technical documents. Also, find someone you think is amazing at technical writing and ask them to sit down with you and revise something you wrote. Study what they want to change and why.