First time ever paying taxes and I have self employment income to

I have been earning some money off social media recently and doing those apps where they pay you to play. I have been setting aside part of it to pay taxes but don't know how to file when the time comes. I've never ever had to pay taxes cuz I wasn't making enough from my part time job. I had a full time but asked for less hours a month later after realizing I couldn't be working and doing school both full time. I tried asking my parents but they told me to figure it out but I don't know what to do I'm so confused.