Task: I want to upload a file of The Diary of a Young Girl, written by Anne Frank, in PDF form to my favorite books folder on the Drive app. It is my favorite book, so whenever I am free, I will read this book in PDF format
Steps:
Open the Drive app
Click on the files icon at the bottom right of the screen
Click on the favourite books folder
Click on the plus icon button at the bottom of the screen
Click on the upload option 
Click on the first pdf option 
Click on the first pdf option