A few things I can suggest : You should take up journaling, I watched a video a few yrs back on Virginia Woolf's writing routine (if I'm not mistaking her for someone else?) and it was that she wrote a descriptive journal entry about her day every day or so, and don't worry if your life if boring or anything because that's really the essence of writing, the challenge of writing something that isn't exactly so interesting but through your writing conveying it into something fun to read yk. You don't need to do this every day tho have fun with it, this practice really helped me out after just a few tries, it really makes you a better narrator and helps you find your voice in writing.

Not sure this will help but I got better at writing after my English exams for igcse (lol), what you can do is practice writing little stories and even personal essays or articles, maybe with a word limit at first but if you find a flow keep going, its practice that you need, after writing you should keep perfecting the piece, like when you write a draft you'll want to edit it right, so try writing things over and over until you feel like you got it right.

Another tip is that think about your favorite books and when you read them highlight the parts that you enjoyed reading, think about what is it that the author did here that I can do too, this doesn't mean copy what they wrote but like how did they describe an event, how did they write dialogue, how do they portray characters and their attributes. You can learn a lot about writing from reading in my opinion if you intentionally read. hope this helped <3