Need some help with tkinter to create app for YT downloader,

I have completed the core basics course of Python, as per the recpmmendation is to start creating some basic projects,
I started with creating an app for youtube dowloader,
create the GUI with tkinter, using IDE PyCharm,
But, need to add more functions, such as:
To select the location where to save the file (VDO)
to select the quality of stream: high resolution or just sound,
could anyone help how to find the source codes, and how add them into the GUI that created already,
Thanks in advance!

Hi Addy,

Help us to help you and other new users!

When you chose a category to post to, you scrolled past the top category
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the #users category”. What could we have written to make it more obvious
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Thank you!