How do I learn urdu?

I am currently in 10th grade and growing up in an orthodox Hindu household I never really thought that about urdu or even knew that it was a subject until, I switched schools after the lockdown and got into another school, there were many Muslim students and anyone could learn languages including urdu. Curiosity got the best of me and in 8th grade I started learning urdu from my friends and I learned everything from writing to reading. When I got into 9th standard I could read and write in urdu but chose to set it aside as school was getting serious and now after a whole year as I am close to giving my board exams I am thinking again about learning urdu. How do I start again? I know the basics I just want to improve my handwriting and vocabulary.